toolgrep / AI agents & frameworks / past.dev
Alternatives to past.dev
past.dev: Long-term, multiplayer memory API for AI agents. 8 products similar to past.dev, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server, 2 of 8 are open source.
- Remnant
Collective memory and evidence-backed history for AI agents
- Mnemoverse
Persistent memory API for AI agents
- MemorySync
AI Memory Infrastructure
- MMW
Persistent memory for AI agents through MCP
- knowsme
One memory of you and your work, shared by AI agents that speak MCP
- AIeph
Shared knowledge cache for AI coding agents
- Synapse Layer
Trust Infrastructure for AI Agents
- NoteMCP
Portable AI memory, built from your notes
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| past.dev | Freemium · from $0/month (Pay as you go); Flex from $99/month; Enterprise custom | yes | yes | yes | — | no |
| Remnant | Free | yes | yes | yes | no | — |
| Mnemoverse | Freemium · from $0 | yes | yes | yes | yes | — |
| MemorySync | Freemium | yes | yes | yes | yes | no |
| MMW | Freemium · from $5/month | yes | yes | yes | no | no |
| knowsme | Freemium · from $5/month | yes | yes | yes | no | no |
| AIeph | Free | yes | yes | yes | no | — |
| Synapse Layer | Freemium · from $0 | yes | yes | yes | yes | yes |
| NoteMCP | Freemium · from $0 | yes | yes | yes | no | yes |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
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