Find Open-Source Alternatives
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Compare community-driven replacements for MongoDB in document databases workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.

Recent commits in the last 6 months
MIT, Apache, and similar licenses
Counts reflect projects currently indexed as alternatives to MongoDB.
These projects match the most common migration paths for teams replacing MongoDB.
Why teams pick it
Docker and VS Code dev-container for instant cluster setup
Why teams pick it
Scales from single‑node to highly‑available distributed deployments

Reliable, multi-master JSON database with built-in replication
Why teams choose it
Watch for
Erlang runtime may be unfamiliar to new contributors
Migration highlight
Offline-first mobile app
Users can create, edit, and view data without network, syncing automatically when connectivity returns.

Unified database and API platform for real‑time modern apps

High‑performance ACID‑compliant document database with developer‑first experience

Rust‑powered embedded NoSQL database with MongoDB‑style API

Scalable NoSQL database delivering real-time query updates

MongoDB‑compatible proxy that runs on PostgreSQL as a document database

Versatile multi-model NoSQL DBMS with native graph, document, and full-text support

Scalable multi-model database for graphs, documents, and key-values
Teams replacing MongoDB in document databases workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from MongoDB.
Why teams choose it
Watch for
Learning curve for multi‑model schema and permission system
Migration highlight
Live collaborative editing tool
Provides instant data sync across users via WebSocket, eliminating a separate real‑time server.
Why teams choose it
Watch for
AGPLv3 license may restrict commercial redistribution without compliance
Migration highlight
E‑commerce platform order management
Ensures transactional consistency for orders, inventory, and payments while providing full‑text product search and real‑time analytics.
Why teams choose it
Watch for
Smaller ecosystem and tooling compared to SQLite
Migration highlight
Desktop note‑taking app
Store user notes as JSON documents locally with fast retrieval
Why teams choose it
Watch for
Requires manual installation of system dependencies
Migration highlight
Live blog with instant updates
Readers see new posts the moment they are published without page refresh.
Why teams choose it
Watch for
Not 100% feature‑parity with MongoDB
Migration highlight
Rapid prototyping of a Node.js app
Developers can connect with the standard MongoDB driver, store data in PostgreSQL, and iterate without licensing concerns.
Why teams choose it
Watch for
Requires Java runtime
Migration highlight
Social network feed generation
Fast graph traversals combined with document profiles enable real‑time feed assembly.
Why teams choose it
Watch for
Steeper learning curve for AQL compared to traditional SQL
Migration highlight
Social network feed generation
Fast traversal of user relationships and content ranking using AQL and ArangoSearch to deliver personalized feeds.