With over 140,000 code commits, 1,200+ GitHub stars, and continuous development since 2004 spanning more than two decades of active maintenance through version 18.6.0 released in July 2026, XWiki operates as a second-generation wiki platform that goes beyond static pages by enabling teams to build custom collaborative applications directly inside wiki pages using structured data forms and in-page scripting. The Java backend runs on Apache Tomcat with PostgreSQL, MySQL, or Oracle database storage, serving a responsive web interface with a WYSIWYG editor featuring real-time collaborative editing, link and macro editors, user mentions, inline comments, annotations, and complete version history with diff comparison. The App Within Minutes extension lets non-developers create custom data-driven applications using drag-and-drop form builders that generate filterable live tables for structured data browsing without writing code. Over 900 extensions from the built-in Extension Manager add functionality including blogs, task trackers, forums, diagram editors, and Confluence migration tools. Enterprise integration features include LDAP and Active Directory authentication, SAML and OIDC single sign-on, fine-grained per-page and per-space permissions with nested page hierarchies, and multi-wiki support for hosting multiple independent wikis from a single installation. The RESTful API provides programmatic access to pages, spaces, objects, attachments, and properties with XML and JSON representations. Office document import converts Word and Excel files directly into wiki pages while PDF export generates formatted documents from wiki content. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. LGPL-2.1 licensed.

With 6,800 GitHub stars and over a decade of development since its 2014 release, ONLYOFFICE Docs delivers a self-hosted Microsoft Office replacement with pixel-perfect OOXML rendering and real-time collaborative editing supporting both Fast (character-by-character) and Strict (manual save) co-authoring modes. The suite encompasses five full-featured editors — Document Editor for DOCX/ODT/EPUB/HTML, Spreadsheet Editor with 500+ functions and pivot tables, Presentation Editor with animations and transitions, Form Creator for fillable PDF forms with field validation, and PDF Editor for annotation and conversion — all operating within a unified web interface. Format support spans 50+ types including DOCX, XLSX, PPTX, ODT, ODS, ODP, PDF, CSV, RTF, TXT, and Markdown with server-side conversion between any supported pair. The JavaScript plugin API enables extending editor functionality through a marketplace of ready-made plugins for ChatGPT integration, speech-to-text, OCR, Zotero citations, and Thesaurus. Ready-to-use connectors integrate with Nextcloud, ownCloud, Seafile, Moodle, Odoo, Confluence, SharePoint, Alfresco, Liferay, and Chamilo, while WOPI protocol compliance enables integration with any WOPI-compatible platform. JWT authentication secures all API communications between host applications and the document server. Deploy via Docker with a single command or DEB/RPM packages on Ubuntu, Debian, CentOS, or RHEL. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GNU AGPL v3 licensed.

Fleet lets IT and security teams query every device in their organization like a SQL database, using osquery to surface installed software, running processes, configurations, and vulnerabilities within seconds across macOS, Windows, Linux, iOS, Android, and ChromeOS. The Go-based server exposes a web console and REST API for centralized device management, with MDM capabilities built on nanoMDM for Apple device enrollment, configuration profiles, and remote lock or wipe. Vulnerability management cross-references installed software inventories against NVD and OVAL CVE databases, automatically flagging known vulnerabilities with severity scores and remediation guidance. Software deployment handles OS updates using Apple Declarative Device Management, Windows Update, and custom installer packages distributed through S3-compatible storage. A GitOps workflow enables infrastructure-as-code management where device policies, osquery queries, and configuration profiles live as YAML files in Git repositories, with CI/CD pipelines pushing changes through the fleetctl CLI. The fleetd agent bundle includes osquery for telemetry, Orbit for version management, and Fleet Desktop providing end users a menu bar status indicator. Integrations connect to Snowflake, Splunk, Elastic, Jira, Zendesk, Vanta, and GitHub Actions for automated compliance reporting. CIS benchmark policies verify security baselines across operating systems. Deployment requires MySQL for persistence and Redis for caching, running as Docker containers or on Kubernetes. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.

DataHub maps your entire data ecosystem into a searchable, governed catalog where every table, pipeline, dashboard, and metric is discoverable and traceable from source to consumer. Originally built at LinkedIn to manage metadata at hyperscale and proven to handle 10 million+ assets and billions of relationships in production, the platform is now trusted by 3,000+ organizations including Netflix, Visa, Slack, and Pinterest. The Spring Java backend (GMS) exposes both GraphQL and OpenAPI REST endpoints, while the React frontend delivers an intuitive interface for searching, browsing, and governing data assets. The Python-based ingestion framework provides 80+ production-grade connectors extracting deep metadata from Snowflake, BigQuery, Redshift, Databricks, dbt, Airflow, Spark, Kafka, Looker, Tableau, Power BI, Superset, PostgreSQL, MySQL, Hive, Glue, S3, Iceberg, and Unity Catalog through pull-based scheduled crawls and push-based emission via Python and Java SDKs. Automatic table-level and column-level lineage detection uses SQL parsing with 97-99% accuracy, tracing data flows from ingestion pipelines through warehouses to BI dashboards. Real-time metadata streaming via Kafka keeps the catalog continuously synchronized as schemas evolve and pipelines execute. The governance layer provides business glossary management, tag propagation along lineage graphs, domain-based organization, and fine-grained access control policies. DataHub Actions triggers automated responses to metadata changes, enabling notifications, quality checks, and downstream workflows. Elasticsearch powers full-text search with faceted filtering across entities. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

The first open-source substrate for enterprise knowledge engineering that learns passively and governs itself. The Rust-built backend paired with PostgreSQL and pgvector delivers a bitemporal knowledge graph where every fact carries two timelines: when it held in the real world and when the system came to believe it — enabling full audit trail replay of how understanding evolved. Document ingestion handles PDF, DOCX, PPTX, XLSX, CSV, Markdown, HTML, and plain text with legacy encoding detection, while scheduled syncing pulls from web pages, RSS feeds, GitHub, Jira, Notion, WebDAV, and S3-compatible buckets. Search fuses Tantivy full-text indexing with pgvector semantic vectors using Reciprocal Rank Fusion, streaming answers with inline citations that link directly to source passages. The built-in agent harness drives agentic RAG through conversation — searching documents, walking the knowledge graph at any historical date, and querying mounted databases via Ontology2SQL which achieves state-of-the-art results on BIRD Mini-Dev benchmarks. Five ontology packs ship inside the binary (schema.org, W3C Org, PROV-O, FOAF, IOF Core) with forward-chaining reasoning for transitivity, symmetry, inverses, and relation hierarchy. Entity resolution operates in three stages: exact name matching, embedding similarity, then model-based judgment with every merge reversible. Any OpenAI-compatible endpoint works including DeepSeek, Qwen, Ollama, and vLLM for fully air-gapped deployment. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache-2.0 licensed.

Backed by over 45,000 GitHub stars and described as the tool that replaces Notion, Evernote, and Anki in a single Docker container, SiYuan is the privacy-first knowledge management system where every paragraph, heading, and list item is a uniquely addressable content block. The block-level architecture enables bidirectional links, transclusion embeds, and SQL query blocks that dynamically aggregate content across your entire workspace, while the knowledge graph visualization maps relationship networks between documents and blocks. Built-in databases support table views with relation and rollup columns, filter composition, sorting, and template-based calculations for structured data management alongside freeform notes. The FSRS spaced repetition engine turns any content block into a flashcard with scientifically calibrated review scheduling, eliminating the need for separate memorization tools. AI integration connects to OpenAI-compatible APIs for writing assistance, translation, summarization, and Q&A chat, with semantic search using embeddings and reranking for intelligent content retrieval. The Bazaar community marketplace delivers plugins, themes, templates, and widgets through a managed extension system with TypeScript plugin APIs. End-to-end encrypted synchronization works across S3-compatible storage, WebDAV servers, or SiYuan's own cloud service, while Tesseract OCR extracts searchable text from images and the web clipper captures pages from Chrome, Edge, and Firefox. Export targets include Markdown with assets, PDF, Word, and HTML. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

With over 52,000 GitHub stars and its role as the foundation of every Kubernetes cluster worldwide, etcd is the distributed key-value store that handles the most critical data in modern infrastructure — cluster state, configuration, service discovery, and distributed coordination. Built in Go and graduated from the CNCF, etcd uses the Raft consensus algorithm to maintain a strongly-consistent, highly-available replicated log across a cluster of machines, gracefully handling leader elections during network partitions and tolerating machine failure including the leader node. The gRPC API provides atomic key-value operations including put, get, delete, and transactions with multi-key compare-and-swap semantics, enabling distributed locking, leader election, and configuration management without external coordination. Watch operations stream real-time change notifications for specific keys or key ranges, powering reactive architectures that respond immediately to configuration updates. Version 3.7 introduces RangeStream for streaming large result sets in chunks, keys-only range requests for faster metadata queries, and bootstraps entirely from v3store after eliminating the legacy v2 store dependency. Automatic TLS encryption with optional client certificate authentication secures all cluster communication, while role-based access control restricts key access per user. The embedded bbolt B+ tree storage engine provides consistent reads and writes with configurable compaction policies. Benchmarked at 10,000 writes per second per instance with linearizable reads, etcd supports clusters of 3, 5, or 7 members for fault tolerance. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

With over 15,000 GitHub stars and positioning itself as the most feature-complete open-source alternative to Airtable, APITable combines a buttery-smooth spreadsheet interface with a full database engine and automatic API generation that turns every datasheet into a queryable REST endpoint without writing a single line of backend code. Real-time collaborative editing powered by Operational Transformation algorithms supports 100,000+ rows with multiple simultaneous users, while seven built-in view types — Grid, Kanban, Gallery, Gantt chart, Calendar, Mindmap, and Form — let teams visualize the same data in whatever format suits their workflow. The one-click API panel exposes every table as a documented REST API with filtering, sorting, and pagination, effectively functioning as a backend-as-a-service for frontend developers and automation builders. Robot automation triggers workflows on record changes with integrations into n8n, Zapier, Appsmith, and Slack, while the extensible widget system provides 20+ open-source widgets for custom charts, dashboards, and data visualizations embedded directly into datasheets. Enterprise features include SAML single sign-on, field-level and row-level permissions via Mirrors, organizational team management, audit logging, database auto-backup, and data export. Bi-directional table linking with infinite cross-links creates relational data models across workspaces, and built-in templates cover CRM, project management, inventory, and content planning. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

With over 110,000 GitHub stars and one of the fastest-growing open-source communities in the self-hosted space, Immich delivers a Google Photos-grade experience entirely on your own hardware. The platform handles automatic background backup from Android and iOS devices, deduplication, and support for RAW formats, LivePhotos, and MotionPhotos. Its machine learning pipeline runs facial recognition and clustering locally on your server, enabling you to group photos by person without sending a single image to the cloud. CLIP-based semantic search lets you find images by describing their content in natural language, while metadata-driven search covers EXIF data, dates, and locations. The web interface built with SvelteKit provides a responsive timeline view, albums, shared albums with configurable permissions, public sharing links with optional passwords and expiry dates, partner sharing for family libraries, and a global map plotting photos by GPS coordinates. Administrative features include multi-user support with per-user storage quotas, OAuth integration, API key management, and a user-defined storage structure for organizing files on disk. The architecture uses PostgreSQL for metadata, Redis with BullMQ for background job queues handling thumbnail generation, video transcoding, and smart search indexing, and exposes over 400 REST API endpoints documented via OpenAPI with auto-generated SDKs for web, mobile, and CLI clients. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

Pretix powers thousands of events and millions of ticket sales through a fully brandable ticket shop with interactive seating plans, 30+ payment providers, and a mobile check-in app for venue entry management. With over 2,400 GitHub stars, it delivers what organizations need when they demand full control over attendee data and revenue rather than surrendering margins to Eventbrite or Ticket Tailor. Built with Python and Django on PostgreSQL with Redis and Celery, the ticket shop adapts to your colors, logo, and domain with responsive design. The graphical seating plan editor handles everything from small cinemas to large stadiums, letting buyers choose seats mapped to pricing categories. Payment providers connect through plugins including Stripe, PayPal, Mollie for iDEAL and Bancontact, SEPA direct debit, and bank transfer with automatic CSV import for payment matching. The voucher engine generates bulk discount codes with usage limits, quota reservations, and automated email distribution. Waiting lists automatically offer released tickets to the next registrant with expiration deadlines. A built-in mini-CMS hosts event descriptions, terms of service, and static pages directly in the ticket shop. Customer accounts enable repeat buyers to check out faster across events. The pretixSCAN mobile app performs QR code check-in on Android and iOS with offline capability. Embeddable JavaScript widgets integrate the shop into any website. Plugin architecture extends functionality with output formats, analytics, and Apple Wallet passes. Deploy via Docker with the pretix/standalone image alongside PostgreSQL and Redis. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

Backed by 4,800+ GitHub stars and trusted by teams replacing LaunchDarkly and Split with a self-hosted solution, Flipt v2 delivers the first truly Git-native feature management platform that treats feature flags as code stored in your own repositories. The architecture eliminates all database dependencies by building immutable in-memory snapshots from YAML flag definitions on every Git commit, delivering sub-millisecond evaluation latency with zero external runtime dependencies beyond the single Go binary. Multi-environment support maps directly to Git abstractions — separate repositories per environment, different directories within the same repository, or different branches — enabling teams to use their existing branching strategy, pull request workflows, and code review processes for flag changes. The evaluation engine supports boolean flags, multivariate string and numeric variants, segment-based targeting with constraint rules, percentage rollouts, and namespace isolation. Native SCM integration with GitHub, GitLab, BitBucket, Azure DevOps, and Gitea creates merge proposals directly from the UI with GPG-signed commits. Flipt implements the OpenFeature Remote Evaluation Protocol with official providers for Go, Node.js, Python, Java, C#, Ruby, and Web SDKs, enabling vendor-agnostic flag evaluation across all services. The gRPC API with REST HTTP gateway exposes flag management, evaluation, and analytics endpoints. Offline mode continues serving flags when the source repository is temporarily unavailable. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Fair Core License (server) / MIT (client SDKs).

CloudBeaver puts a full-featured database management environment in your browser, connecting to PostgreSQL, MySQL, SQL Server, Oracle, ClickHouse, and over 100 additional engines through one unified interface that requires no desktop client installation. The Java server exposes a TypeScript/React frontend through a GraphQL API where teams can browse schemas, edit data, visualize relationships, and execute queries across all connected databases in a single workspace. The SQL Editor provides syntax highlighting, auto-completion with fuzzy search, AI-assisted SQL generation from natural language prompts, script management with save/download/upload capabilities, execution plan visualization, and multi-tab result display. The Data Editor enables direct cell editing, filtering, sorting, and bulk data modification with support for spatial GIS data rendering. Database administrators access a Navigator panel for browsing schemas, tables, views, foreign tables, triggers, dependencies, and stored procedures across all connected databases. ER Diagrams visualize table relationships and schema structure, while the Visual Query Builder constructs queries without hand-writing SQL. Multi-user administration provides role-based access control, connection sharing with configurable permissions, and session management. SSH tunneling secures remote database connections, and data can be exported or imported in multiple formats. Query History tracks all executed statements with timestamps and execution statistics. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

With nearly 8,000 GitHub stars since its December 2024 launch, Kaneo has rapidly gained traction as the minimalist alternative to bloated project management platforms like Jira and Linear. Built on TypeScript with React and Hono, the interface strips away complexity to focus on execution — plan in list view, track in kanban board, and schedule on interactive Gantt chart timelines where dragging bar handles adjusts start and due dates with optimistic UI updates. Native GitHub integration synchronizes issues bidirectionally, links pull requests to tasks, and keeps product planning aligned with development execution without context switching. The built-in Model Context Protocol server at /api/mcp enables AI tools like Claude and Cursor to manage tasks, projects, and labels directly, while the official @kaneo/mcp npm package provides stdio access for local MCP clients. Authentication supports password, magic link, GitHub OAuth, and Google sign-in with organization-level access management. Rich text editing for task descriptions and comments, label-based initiative grouping, priority levels, assignee management, and due date tracking provide focused planning without ceremony. Deploy with the drim CLI for automatic HTTPS and database setup, Docker Compose for custom configurations, or Helm charts for Kubernetes clusters — all requiring just 2GB RAM and PostgreSQL. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.

ToolHive is an open-source MCP server management platform that lets you run, secure, and orchestrate Model Context Protocol servers in isolated containers, giving AI agents structured access to tools like GitHub, databases, and cloud services without exposing host credentials or network. Every server launches inside its own sandboxed container with a minimal permission file, network access filtering, and encrypted secrets management, preventing misbehaving connectors from reaching beyond their defined scope. The built-in registry provides a catalog of vetted servers you can install with one command, while custom images and package-manager references let you onboard proprietary connectors without writing Dockerfiles. Platform teams deploy the Kubernetes operator to declare MCP servers as cluster resources using Custom Resource Definitions, with automated lifecycle management and multi-namespace isolation. The Virtual MCP Server gateway aggregates multiple backends behind a single endpoint, centralizing OIDC authentication, tool filtering, and composite cross-server workflows so clients connect once instead of juggling separate URLs. An MCP Optimizer analyzes tool schemas via semantic search and surfaces only relevant tools per request, cutting token consumption by up to 85%. OpenTelemetry traces and Prometheus metrics deliver full visibility into tool execution, latency, and request audit trails across every managed server. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. Apache 2.0 licensed.

Nearly two decades running engineering organizations: Redmine is the veteran open-source project management and issue tracker, a Ruby on Rails application (GPLv2) still in active development. Its core strength is configurability: define your own trackers (bug, feature, task, or anything else), issue statuses, and role-based workflows that control exactly which transitions each role may perform, then extend records with custom fields of every type. Issues support subtasks, relations (blocks, precedes, duplicates), watchers, categories, and full journaled history, with saved custom queries and cross-project filtering for slicing the backlog any way you need. Around the tracker sit Gantt charts and calendars, a roadmap driven by versions, per-project wikis, forums, news, and document repositories, plus time tracking with estimated versus spent hours and activity-based reporting. Multi-project support runs deep - subprojects, per-project modules, and granular role-based permissions - and repository integration (Git, Subversion, Mercurial) links commits to issues automatically. Email notifications, inbound email-to-issue creation, LDAP authentication, a REST API, and a large plugin and theme ecosystem round it out. Recent 6.x releases brought substantial query and rendering optimizations. Self-hosting keeps your entire project history in your own database, free of per-seat licensing.

A self-hosted "second brain": Khoj indexes your own files and answers questions from them, parsing Markdown (whole Obsidian vaults included), org-mode, PDF, Word, plain text, Notion pages, GitHub repositories, and images described by a vision model, then embedding everything with sentence-transformers into a vector index for semantic search and RAG with cited sources. Any LLM backend works: local models like Llama, Qwen, or Mistral via Ollama, or cloud models like GPT, Claude, and Gemini. You can build custom agents, each with its own persona, scoped knowledge base, chat model, and tools such as web search and code execution. Scheduled automations run recurring research and deliver newsletters or notifications to your inbox, and research mode performs multi-hop web searches with inline citations. Access it from a browser, the Obsidian plugin, Emacs, desktop, or WhatsApp - all clients connect to the same self-hosted instance, making Khoj one of the few AI assistants Emacs users can point at decades of org files. Semantic search means recall works without exact keywords: "that paper about forecasting with transformers" surfaces the right PDF even when you cannot remember its title. Switching LLM backends never requires re-indexing your documents, and with a local model via Ollama, even inference stays on hardware you control - journals, research, and private notes are never sent anywhere. Python/FastAPI stack, AGPL-licensed, with PostgreSQL storage.

Ever Gauzy consolidates ERP invoicing, CRM sales pipelines, HRM employee records, applicant tracking, and project management into one full-stack TypeScript platform, eliminating the need to stitch together five separate SaaS subscriptions. Over 4,300 GitHub stars and 3,800+ releases back a CQRS architecture that separates command and query responsibilities across modules for invoices, expenses, payments, inventory, contacts, leads, deals, employee onboarding, candidate interviews, hiring workflows, sprints, goals, and KPI tracking. Time tracking captures hours via web timer, Electron desktop timer with activity monitoring and automatic screenshot capture, or browser extension, with timesheet submission and approval workflows supporting billable hour classification across Hubstaff and Upwork integrations. The multi-tenant architecture provides automatic tenant scoping with role-based permissions, while dual ORM support through TypeORM and MikroORM with Knex query builder ensures database flexibility across PostgreSQL, MySQL, and MariaDB. REST APIs documented with OpenAPI and Swagger expose every module for headless operation, complemented by an MCP server offering 323 tools for AI assistant integration. The Angular 19 dashboard provides dark, light, corporate, and material themes with i18n across 10 languages via Crowdin. Supports Docker, Kubernetes, Terraform, and Pulumi deployment with Redis caching and OpenSearch full-text indexing. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. AGPL-3.0 licensed.

Seanime turns your server into a dedicated anime and manga command center, combining local library management, torrent streaming, an integrated manga reader, and AniList progress tracking in a single self-hosted web application. Point it at your media folders and the smart scanner automatically identifies and matches your anime files to AniList entries without requiring strict naming conventions or folder hierarchies. Stream episodes directly from torrents through qBittorrent, Transmission, Torbox, Real-Debrid, AllDebrid, or Premiumize; the built-in player starts playback before the download finishes, so there is no waiting for full transfers. The manga reader pulls chapters from community extension sources and tracks your reading progress across series automatically. An in-app extension marketplace lets you install third-party providers for streaming, manga, and torrent sources, all written in JavaScript and managed through a visual interface. Seanime Tenji, the companion mobile app for iOS and Android, connects to your server for on-the-go library browsing, content streaming, and offline downloads. Auto-download rules grab new episodes of airing series the moment torrents appear. The transcoding engine handles on-the-fly conversion for browser playback on any device, while direct play passes through compatible formats at full quality. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. GPL-3.0 licensed.