13 self-hosted Glean alternatives

AnythingLLM is an all-in-one desktop and Docker app for chatting with documents using RAG, running AI agents, and connecting to local or hosted LLMs and vector databases.

65.3k stars7.2k forksMITlast commit 26 Aug 2026Actively maintained

Meilisearch is a lightning-fast search engine API for apps and websites, offering typo-tolerant full-text search plus vector and AI-ready hybrid retrieval.

59.1k stars2.7k forkslast commit 13 Aug 2026Actively maintained

Self-hostable personal AI 'second brain' for chat, semantic search, custom agents, automations and integration with local or cloud LLMs.

36.7k stars2.4k forksAGPL-3.0last commit 2 Aug 2026Actively maintained

Open-source platform for AI chat, RAG, agents, and enterprise search across your team’s connected knowledge sources, compatible with hosted and local LLMs.

31.8k stars4.4k forkslast commit 27 Aug 2026Actively maintained

Typesense is a developer-friendly search engine for instant, typo-tolerant search-as-you-type with faceting, filtering, geo search, and vector/semantic search APIs.

26.5k stars965 forksGPL-3.0last commit 18 Aug 2026Actively maintained

Extension for Paperless‑ngx that uses OpenAI-compatible backends and Ollama to auto-classify, tag, index, and enable RAG-powered document chat and semantic search.

5.9k stars327 forksMITlast commit 31 Mar 2026Actively maintained

YaCy is a self-hostable search engine with crawler and indexing, supporting decentralized P2P search, standalone search portals, and intranet/file search.

4k stars495 forkslast commit 20 Aug 2026Actively maintained

Aleph indexes documents and structured datasets to enable fast search, entity extraction, and cross-referencing for investigative research and OSINT workflows.

2.4k stars358 forksMITlast commit 19 Dec 2025Slowing down

Diskover indexes file systems with Elasticsearch to provide fast file search, metadata analytics, and storage visibility across on-prem, NAS, and cloud storage.

1.8k stars184 forksApache-2.0last commit 19 Feb 2026Slowing down

Self-hosted private AI tools for chat and document Q&A, supporting local Ollama inference or OpenAI-compatible APIs, with built-in authentication and user management.

1.7k stars87 forksAGPL-3.0last commit 27 May 2024Likely dormant

Scalable enterprise search platform supporting full-text, vector, faceted and geospatial search with SolrCloud clustering and a web admin UI.

1.7k stars859 forksApache-2.0last commit 27 Aug 2026Actively maintained

Fess is an open-source enterprise search server with a built-in crawler, web-based administration, and OpenSearch/Elasticsearch-backed full-text search.

1.1k stars175 forksApache-2.0last commit 25 Aug 2026Actively maintained

Amurex is an open-source AI copilot that unifies knowledge search across Notion, Drive and Obsidian, automates meetings, and triages email.

147 stars47 forksAGPL-3.0last commit 6 Apr 2025Slowing down