head to head · open source
claude-mem vs CL4R1T4S
claude-mem has 110,572 GitHub stars, 9,645 forks, 186 open issues and last shipped yesterday. CL4R1T4S has 51,704 stars, 10,555 forks, 127 open issues and last shipped 1 months ago. claude-mem leads on adoption by 114% (110,572 vs 51,704 stars). claude-mem is written in TypeScript under Apache-2.0; CL4R1T4S is written in various languages under AGPL-3.0. claude-mem has attracted 9% as many forks as stars, CL4R1T4S 20%. claude-mem was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| claude-mem | CL4R1T4S | |
|---|---|---|
| GitHub stars | ★ 111K | ★ 52K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | TypeScript | — |
| Last push | 2026-11-02 | 2026-09-22 |
| Forks | ⑂ 9.6K | ⑂ 11K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick claude-mem if
- You weight community size — 111K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick CL4R1T4S if
- You want the CL4R1T4S feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- You evaluated both and CL4R1T4S fits your workflow better
About claude-mem
Claude Mem is now Grok Mem. The package is still claude mem . 🇨🇳 中文 • 🇹🇼 繁體中文 • 🇯🇵 日本語 • 🇵🇹 Português • 🇧🇷 Português • 🇰🇷 한국어 • 🇪🇸 Español • 🇩🇪 Deutsch • 🇫🇷 Français • 🇮🇱 עברית • 🇸🇦 العربية • 🇷🇺 Русский • 🇵🇱 Polski • 🇨🇿 Čeština • 🇳🇱 Nederlands • 🇹🇷 Türkçe • 🇺🇦 Українська • 🇻🇳 Tiếng Việt • 🇵🇭 Tagalog • 🇮🇩 Indonesia • 🇹🇭 ไทย • 🇮🇳 हिन्दी • 🇧🇩 বাংলা • 🇵🇰 اردو • 🇷🇴 Română • 🇸🇪 Svenska • 🇮🇹 Italiano • 🇬🇷 Ελληνικά • 🇭🇺 Magyar • 🇫🇮 Suomi • 🇩🇰 Dansk • 🇳🇴 Norsk Grok Mem is how Grok Bots remember. Sits next to Grok's own memory. Does not replace it. Quick…
read the full claude-mem overview →
About CL4R1T4S
CL4R1T4S AI SYSTEMS TRANSPARENCY AND OBSERVABILITY FOR ALL! Full extracted system prompts, guidelines, and tools from OpenAI, Google, Anthropic, xAI, Perplexity, Cursor, Windsurf, Devin, Manus, Replit, and more – virtually all major AI models + agents! 📌 Why This Exists "In order to trust the output, one must understand the input." AI labs shape how models behave using massive, unseen prompt scaffolds. Because AI is a trusted external intelligence layer for a growing number of humans, these hidden instructions can affect the perceptions and behavior of the public. These prompts define: What AIs can’t say What…
read the full CL4R1T4S overview →
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Frequently asked questions
Is claude-mem or CL4R1T4S more popular?
claude-mem has 110,572 GitHub stars and CL4R1T4S has 51,704. claude-mem has the larger community by that measure.
Are claude-mem and CL4R1T4S free?
Both are open source. claude-mem is licensed under Apache-2.0 and CL4R1T4S under AGPL-3.0. Neither carries a licence fee.
What is the difference between claude-mem and CL4R1T4S?
claude-mem is written in TypeScript and CL4R1T4S in various languages. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, claude-mem or CL4R1T4S?
Choose claude-mem if you want the larger community (110,572 stars) or its Apache-2.0 licence terms. Choose CL4R1T4S if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.