20 Polygres alternatives
Polygres: Turn a Postgres database into working memory for AI agents — relational rows, graph traversal and vector search fused into one ranked, token-budgeted context block. 20 apps do similar work, most sharing Open Source, RAG and Agent Memory, ranked by how much they have in common with Polygres.
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An open-source AI-native database combining vector search, structured filtering, and built-in model integrations.
Also: Open Source, RAG, Semantic Search, Vector Database
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A fully managed vector database for semantic search and retrieval at billion-scale, with no infrastructure to run.
Also: RAG, Semantic Search, Vector Database
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An open-source vector search engine written in Rust — fast, memory-efficient, and self-hostable.
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The embedding database that starts as a Python import and grows into a distributed cloud service.
Also: Semantic Search, Vector Database
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Glean Technologies, Inc.
Enterprise Work AI platform — permission-aware search across every company app, plus an assistant and agents that act on the results.
Also: RAG, Semantic Search
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TinyHumans AI
Open-source desktop AI agent that builds a local, readable memory of your work, then orchestrates agent fleets and durable workflows on top of it.
Also: Agent Memory, Open Source
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Osaurus, Inc.
Native macOS harness for AI agents — any model, persistent memory, sandboxed execution and cryptographic identity, fully offline and open source.
Also: Agent Memory, Open Source
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Chaitanya Giri
MIT-licensed multi-agent harness that turns the CLI coding agent you already use into a persistent clone of yourself, running around the clock.
Also: Agent Memory, Open Source
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Zekun Wang
Open-source, repo-native project memory for coding agents, stored as plain Markdown.
Also: Agent Memory, Open Source
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The multi-agent framework where agents have roles and collaborate as a crew — plus a platform to run them in production.
Also: Agent Memory, Open Source
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Turn any website into clean markdown or structured JSON — crawling, JavaScript rendering, and extraction in one API.
Also: Open Source, RAG
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Vectify AI
A vectorless RAG engine that builds a tree index of long PDFs and lets an LLM reason its way to the right section, with page-level citations.
Also: Open Source, RAG
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An Apache-2.0 TypeScript framework for building AI agents — workflows, memory, RAG and evals — with a local studio and an agentic software factory on top.
Also: Open Source, RAG
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IBM (DataStax)
Open-source, MIT-licensed visual builder for AI agents, RAG apps and MCP servers, maintained by IBM's DataStax and extensible in Python.
Also: Open Source, RAG
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The framework and observability platform most teams use to build, debug, and ship LLM agents.
Also: Open Source, RAG
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LangGenius
An open-source platform for building production LLM applications — visual workflows, RAG, and agents in one place.
Also: Open Source, RAG
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A self-hosted, feature-rich chat interface that puts a polished front end on Ollama and any OpenAI-compatible API.
Also: Open Source, RAG
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Pipeline, encrypted Iceberg lake and query engine in one, with an MCP server that lets Claude and Codex query your data directly.
Also: PostgreSQL
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Describe an internal tool in plain English and Prized builds and deploys it, scoped to connectors an admin approved and logged end to end.
Also: PostgreSQL
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Websson d.o.o.
Describe an app in plain sentences and Uppcoder builds it: the code, a real database, a server and a live HTTPS URL. Free, no sign-up. The code is yours to keep and export.
Also: PostgreSQL