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Awesome Opensource Ai

Curated list of the best truly open-source AI projects, models, tools, and infrastructure. Daily updated.

alvinreal/awesome-opensource-ai #agents #ai #artificial-intelligence #awesome #awesome-list #generative-ai #llm #machine-learning #mlops #open-source #open-source-ai #rag
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4,893
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1,095
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962
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654
Forks
721
Open issues
25

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Latest scan 2026-10-17 10:50

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8 repos matching these filters.

Topic: similarity-search
Latest repo push 2026-10-17

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qdrant/qdrant

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

Stack
Rust Actix Web Axum pytest Cargo npm PEP 517
GitHub topics
#ai-search #ai-search-engine #embeddings-similarity #hnsw #hybrid-search #image-search
Updated
2026-10-07
Lists
5 list mentions
First commit
2020-05-30
License
Apache-2.0
Issues
750 open
Sign in to like qdrant/qdrant
34,968
stars
Forks
2,729
Commits
7,117 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
typesense/typesense

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

AI dev
Stack
C++ Express Vite Bun CMake npm
GitHub topics
#algolia #datastore #elasticsearch #enterprise-search #faceting #full-text-search
Updated
2026-10-05
Lists
5 list mentions
First commit
2015-11-10
License
GPL-3.0
Issues
914 open
Sign in to like typesense/typesense
26,631
stars
Forks
987
Commits
4,846 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
weaviate/weaviate

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

AI dev
Stack
Go Cobra gRPC Go pytest Go modules PEP 517 pip
GitHub topics
#approximate-nearest-neighbor-search #generative-search #grpc #hnsw #hybrid-search #image-search
Updated
2026-10-04
Lists
4 list mentions
First commit
2016-03-30
License
NOASSERTION
Issues
800 open
Sign in to like weaviate/weaviate
16,866
stars
Forks
1,419
Commits
30,547 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
lancedb/lancedb

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

AI dev
Stack
Rust Axum pytest Cargo Maven npm
GitHub topics
#approximate-nearest-neighbor-search #image-search #nearest-neighbor-search #recommender-system #search-engine #semantic-search
Updated
2026-09-09
Lists
3 list mentions
First commit
2023-03-18
License
Apache-2.0
Issues
622 open
Sign in to like lancedb/lancedb
11,384
stars
Forks
1,046
Commits
2,958 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
paradedb/paradedb

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

Stack
Rust Cargo
GitHub topics
#aggregations #analytics #bm25 #columnar-storage #distributed-search #full-text-search
Updated
2026-09-09
Lists
3 list mentions
First commit
2023-06-30
License
AGPL-3.0
Issues
206 open
Sign in to like paradedb/paradedb
9,251
stars
Forks
448
Commits
3,501 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
chonkie-inc/chonkie

🦛 CHONK docs with Chonkie ✨ — The lightweight ingestion library for fast, efficient and robust RAG pipelines

Stack
Python FastAPI Jupyter pytest uv
GitHub topics
#ai #chonkie #chunker #chunking-algorithm #llms #rag
Updated
2026-06-26
Lists
1 list mention
First commit
2025-03-29
License
MIT
Issues
38 open
Sign in to like chonkie-inc/chonkie
4,201
stars
Forks
286
Commits
2,163 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub