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Top 23 Memory Open-Source Projects
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Project mention: Give Your AI Persistent Memory: OpenCode + MemPalace in 10 Minute | dev.to | 2026-05-15
MemPalace: https://github.com/MemPalace/mempalace
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Project mention: AirLLM Shrinks 70B LLMs to 4GB VRAM; DPO & Supermemory Boost Open Models | dev.to | 2026-06-03
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OpenViking
OpenViking is an open-source context database designed specifically for AI Agents(such as openclaw). OpenViking unifies the management of context (memory, resources, and skills) that Agents need through a file system paradigm, enabling hierarchical context delivery and self-evolving.
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12-factor-agents
What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?
Own your control flow! A key point from 12 factor agents.
"One thing that I have seen in the wild quite a bit is taking the agent pattern and sprinkling it into a broader more deterministic DAG." - https://github.com/humanlayer/12-factor-agents/blob/main/REA...
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Project mention: Show HN: Mnemo – local-first AI memory layer for any LLM (Rust, SQLite,petgraph) | news.ycombinator.com | 2026-06-03
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The memory interface shapes everything downstream. Committing to Hindsight's retain/recall abstraction early made the rest of the code straightforward. The LLM layer doesn't know where notes came from. The Flask layer doesn't know how retrieval works. Those boundaries are cheap at the start and expensive to add later.
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memvid
Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
Project mention: Show HN: I accidentally built "SQLite for AI memory" (Memvid) | news.ycombinator.com | 2026-01-05 -
Memori
Memori is agent-native memory infrastructure. A LLM-agnostic layer that turns agent execution and conversation into structured, persistent state for production systems.
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memU
The memory harness for proactive AI agents — structured storage, intent capture, 10x token reduction.
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MemOS
Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token savings (by MemTensor)
Project mention: Top 10 OpenClaw Development Patterns and Architecture Best Practices | dev.to | 2026-02-18Repository: https://github.com/MemTensor/MemOS Architecture Pattern: Layered Memory System
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memreduct
Lightweight real-time memory management application to monitor and clean system memory on your computer.
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Understand-Anything
Graphs that teach > graphs that impress. Turn any code, or knowledge base (Karpathy LLM wiki), into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.
Project mention: Understand Anything – Graphs that teach the codebase | news.ycombinator.com | 2026-05-26 -
mimiclaw
MimiClaw: Run OpenClaw on a $5 chip. No OS(Linux). No Node.js. No Mac mini. No Raspberry Pi. No VPS. Hardware agents OS.
Project mention: Memovai/mimiclaw: MimiClaw: Run OpenClaw on a $5 chip | news.ycombinator.com | 2026-02-14 -
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git clone https://github.com/plastic-labs/honcho cd honcho docker compose up -d # Server will be on http://localhost:8000
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byterover-cli
ByteRover CLI (brv) - The portable memory layer for autonomous coding agents (formerly Cipher)
Cipher https://github.com/campfirein/cipher
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WinMemoryCleaner
This free RAM cleaner uses native Windows features to optimize memory areas. It's a compact, portable, and smart application.
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memory-lancedb-pro
Enhanced LanceDB memory plugin for OpenClaw — Hybrid Retrieval (Vector + BM25), Cross-Encoder Rerank, Multi-Scope Isolation, Management CLI
This is the problem that memory-lancedb-pro attacks head-on — a community-built plugin that replaces OpenClaw's memory subsystem with a 7-layer hybrid retrieval pipeline, multi-scope isolation, and automatic noise filtering. I've been running it for weeks. Here's how it works, why it's engineered the way it is, and how to build one yourself.
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OpenMemory
Local persistent memory store for LLM applications including claude desktop, github copilot, codex, antigravity, etc.
Project mention: Show HN: A local-first memory store for LLM agents (SQLite) | news.ycombinator.com | 2025-12-14edit:
from gpt5.2 with prompt:
<< 'adversarial review request. please look at the github link for signs of being written by llm ( extra points if you can point to the llm that generated it ) https://github.com/CaviraOSS/OpenMemory'
>> I can’t prove it’s LLM-written from the outside, but the README (at least) has a lot of “LLM smell.” I’d put it at high likelihood of AI-assisted marketing/docs copy, with some sections bordering on “generated then lightly edited.”
but then it adds a list of style reason why it could be generated by llm
<< “Extra points”: which LLM wrote it?
Most likely: Claude 3.5 Sonnet–style output
<< if i were to point to comments in readme and code, what would you say upon re-review
>> Comments that narrate the obvious (especially line-by-line)
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Memory discussion
Memory related posts
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I Stopped Repeating Context to My AI
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Show HN: Mnemo – local-first AI memory layer for any LLM (Rust, SQLite,petgraph)
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What Happens When You Treat Every Sales Event as a Memory Write
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How I Stopped Repeating Architectural Mistakes because of a Greek Goddess
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Why I Stopped Using Chat History and Used Hindsight Memory
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Why I Stopped Using Chat History and Used Hindsight Memory
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How I Made Deployment Reviews Remember Incidents With Hindsight
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source Memory projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | mem0 | 57,631 |
| 2 | mempalace | 53,515 |
| 3 | supermemory | 25,415 |
| 4 | OpenViking | 25,147 |
| 5 | 12-factor-agents | 23,005 |
| 6 | agentmemory | 20,972 |
| 7 | hindsight | 15,630 |
| 8 | memvid | 15,621 |
| 9 | Memori | 15,193 |
| 10 | memray | 15,080 |
| 11 | memU | 13,785 |
| 12 | Agent-S | 11,766 |
| 13 | psutil | 11,186 |
| 14 | MemOS | 9,615 |
| 15 | memreduct | 9,556 |
| 16 | Understand-Anything | 8,502 |
| 17 | mimiclaw | 5,457 |
| 18 | memlab | 4,971 |
| 19 | honcho | 4,843 |
| 20 | byterover-cli | 4,817 |
| 21 | WinMemoryCleaner | 4,648 |
| 22 | memory-lancedb-pro | 4,405 |
| 23 | OpenMemory | 4,190 |
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