Database Management Listings
Compare the best open-source listings for database management. SQL, vector stores and data access. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.
Claude Obsidian
Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.
Prompt Master
A Claude skill that writes the accurate prompts for any AI tool. Zero tokens or credits wasted. Full context and memory retention
MemU
Personal memory across agents
EverOS
One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.
Nightingale
Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.
MemOS
Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token savings and DeepSeek Harness support.
HolaOS
Open-source agentic workspace enterprises can make their own. Connect the systems you already run — 100+ integrations, MCP, chat tools, apps, browser, local files — with shared memory. Any agent (Claude Code, Codex), any model, or BYOK. Set up in clicks, not months. Local-first: your data never leaves your machines.
Octop
A smarter, self-hosted AI assistant — multi-user, multi-agent.
Electric
The agent platform built on sync.
Honcho
Memory library for building stateful agents
Greptimedb
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.
Open Duet
Open-source, self-hosted alternative to Claude Duet: AI coworkers (named agents) with instructions, memory, routines, their own isolated computer, and your approval before they act. Also an alternative to OpenAI Dots, Meta Muse, Grok Bot, Manus Cue and ChatGPT agent.
Mianshiya
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Potpie
Context Graph for AI Native SDLC
Obsidian Mind
A self-organizing Obsidian vault that gives AI coding agents persistent memory.
Tabularis
Open-source desktop SQL workspace with 3 built-in database drivers and 26 shipped driver plugins, including SQL Server, DuckDB, ClickHouse and Redis. Built-in MCP server for Claude, Cursor and Devin, SQL notebooks and visual EXPLAIN.
Obsidian Second Brain
Persistent memory for Claude Code, Codex and 6 other AI agents, stored as plain markdown in your Obsidian vault. New: Crew, one shared logbook so Claude Code, Codex, Cursor and Grok Bot know what each other did. 48 commands: semantic search, self-rewriting notes, key-less research, scheduled agents.
Whodb
Where data access meets operational intelligence
AI Agents From Scratch
Demystify AI agents by building them yourself. Local LLMs, no black boxes, real understanding of function calling, memory, and ReAct patterns.
OB1
Open Brain — The infrastructure layer for your thinking. One database, one AI gateway, one chat channel — any AI plugs in. No middleware, no SaaS.
Memgraph
High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible, built in C++.
Prest
Instant REST and MCP APIs for PostgreSQL and MySQL, on existing or new databases. CRUD, custom SQL routes, auth and ACL without writing a backend. Low-code, ⚡ realtime, high-performance. Native MySQL support since v2.5
LongMemory
Local persistent memory store for LLM applications including claude desktop, github copilot, codex, antigravity, etc.
M Flow
A bio-inspired cognitive memory engine — a new paradigm for Graph RAG.
List refreshed November 15, 2026. Data comes from public GitHub repositories.