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kividb alternatives

kividbio/kividb (783 stars, +400 this week): A fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built in.

Below are 3 other repos tracked by OSS Radar that share GitHub topics with kividb: 1 from RAG / vector sharing at least two, and 2 from other categories sharing at least three, two of them niche tags rather than broad ones like llm or a platform, ordered by how closely their topics overlap (rarer shared topics count more), then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

  1. 1. xerj-org/xerj

    +4.5k/wk

    AI search engine and MCP server for bots and agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for BM25 full-text, vector…

    17k stars · Rust · MCP · shared topics: database, full text search, Rust, vector search · xerj alternatives

  2. 2. t8y2/dbx

    +541/wk

    25 MB lightweight cross-platform database client for 100+ databases, including MySQL, PostgreSQL, SQLite, Redis, MongoDB, DuckDB, SQL…

    28k stars · Rust · MCP · shared topics: database, Redis, Rust · dbx alternatives

  3. 3. StarTrail-org/LEANN

    +511/wk

    [MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN.

    14k stars · Python · shared topics: vector database, vector search · LEANN alternatives

More rising RAG / vector repos

Only 3 tracked repos share at least two GitHub topics with kividb, so here are the RAG / vector repos gaining the most stars this week. They sit in the same category but don't share its topics, so treat them as related projects rather than alternatives.

  • HKUDS/DeepTutor +5.1k/wk: DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.
  • Tencent/WeKnora +755/wk: Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
  • VectifyAI/PageIndex +433/wk: PageIndex: Document Index for Vectorless, Reasoning-based RAG.
  • infiniflow/ragflow +396/wk: RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a…
  • StarTrail-org/PixelRAG +371/wk: https://arxiv.org/abs/2606.28344. The end of web parsing. The beginning of scalable pixel-native search. link: https://pixelrag.ai/.
  • opendataloader-project/opendataloader-pdf +340/wk: PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

More: all trending RAG / vector repos · compare kividb with the top 2 · alternatives to other trending repos