Alternatives to Moss
Moss: Semantic search in under 10 ms for voice bots and copilots that indexes your data once and serves it from browsers, devices or the cloud. Here are 4 other products that do a similar job. Of these, 3 have a free plan.
- MemorySync
An API and SDKs that let AI applications store, recall and forget long-term user context.
Since 2026
Free plan · Developer tools · Developers
- SeekStorm
A hosted search API for vector and full-text search, aimed at app builders who want an Algolia or Elasticsearch alternative.
Subscription · Developer tools · Online sellers
- VaultS3
A light S3-compatible storage server you run yourself, with a web dashboard, replication and encryption built in.
Since 2026
Free · Developer tools · Developers
- Callimachus
Builds one local, searchable index of your chats with Claude Code, Cursor, Codex and other coding agents.
Since 2026
Free plan · Developer tools · Developers