Declarative, SQL-like query language for building recommendation systems and search platforms, compiling to run across PostgreSQL, MongoDB, SQL Server, Oracle, and MariaDB.
Databases & Storage
39 toolsprogramming Databases & Storage — 39 tools curated by the community. Most popular: RecQL, pg-dry-run, Syncle. Each tool comes with a review, tags and alternatives to help you choose.
❓ Frequently asked questions about Databases & Storage
What is Databases & Storage?
Databases & Storage groups 39 tools curated by the mySelectas community. Most popular: RecQL.
What are the best free Databases & Storage tools?
mySelectas lists several free options in this category. See in particular: RecQL, pg-dry-run, Syncle.
What is the best alternative to RecQL?
Discover alternatives to RecQL on mySelectas. See all alternatives →
A free, open-source tool that lets AI agents preview exactly what a Postgres write would change — including cascades and constraint hazards — before it actually runs.
Open-source self-hosted tool for real-time data replication across multiple database engines (PostgreSQL, MySQL, MongoDB, Redis, SQLite, MariaDB). Eliminates need for Kafka or Debezium with lightweight synchronization via CDC, polling, or backfill.
Free, open-source desktop SQL client for Postgres, MySQL, SQLite and 19+ other databases, with a built-in server that lets AI coding agents query your schema safely.
Free macOS desktop app for browsing and querying databases in natural language, built for teams pairing AI coding agents with real data.
CouchDB-style document database library for Deno, built on PouchDB and backed by Deno KV.
Automatically restores your latest PostgreSQL backup into a throwaway container and proves it actually works, with an audit-ready report.
Drop in a SQL schema, Prisma file, or pgModeler export and get back an interactive, shareable ER diagram — no install, no account needed.
A desktop app for browsing and querying your databases that lets you ask questions in plain English instead of writing SQL, and works the same way whether your data is in Postgres, MySQL, MongoDB, or four other engines at once.
Open-source, self-hosted object storage that speaks the same S3 API as Amazon's cloud storage, so existing tools and scripts work unchanged while your files stay on your own servers.
A formal verification tool that mathematically proves whether a SQL query edit changes the result — not a heuristic guess, a definitive yes-or-no answer.
An embedded, single-file database that combines graph relationships, vector similarity search, and full-text search — built for local AI, RAG, and agent-memory apps.
A deterministic, Rust-built memory engine for AI agents, offering sub-millisecond recall over millions of stored memories.
A database migration and release-safety platform for Python teams — preview SQL, validate state, and add review checks before running migrations.
A free, open-source cross-platform desktop GUI for the Weaviate vector database with collection browsing, search, and management capabilities.
A free, self-hosted tool that automatically backs up your databases and files, encrypts them, and ships them off to cloud storage on a schedule — the boring, essential job most self-hosters put off until they lose something.
A free, open-source vector search library that finds similar items (for AI search, recommendations, RAG) faster and using far less memory than the previous standard, FAISS.
A small, from-scratch SQL database written in Go, built around write-ahead logging for crash recovery — an educational project, not a production database.
Self-hosted, open-source backup tool with end-to-end encryption and support for 70+ cloud storage providers.
Unified database client for 16+ engines (PostgreSQL, MySQL, MongoDB, SQL Server…) with a free community edition.