Find the best open source alternative
We curate open source tools that replace paid software. We manually review every listing for quality, active maintenance, and self-hosting support.
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Grafana
Grafana is an open source observability platform for querying, visualizing, and alerting on metrics, logs, and traces from any data source. AGPL licensed; self-host or use Grafana Cloud.
TiKV
It is a highly scalable, low-latency, distributed key-value database designed for building robust data storage solutions.
Falkon
An open-source, lightweight web browser built on QtWebEngine, offering speed, built‑in ad‑blocking, and deep integration with KDE Plasma for users seeking a fast, configurable browsing experience.
Sulu
Sulu is an open source enterprise CMS built on Symfony with a headless API, multi-site management, and content workflows. A self-hosted alternative to Contentful; MIT licensed.
MinIO AIStor
Hyperscale object storage for AI, offering high performance, scalability, security, and S3 compatibility for AI workloads.
Novu
An open-source notification infrastructure for developers, offering a unified API for multi-channel notifications and in-app inbox.
Qwen
An open-source family of large language models developed by Alibaba Cloud, featuring scalable model sizes and versions released under permissive licenses like Apache 2.0 .
OpenLLaMA
An open-source reproduction of Meta AI’s LLaMA models, offering permissively licensed weights in 3B, 7B, and 13B parameter sizes compatible with both PyTorch and JAX.
DuckDB
A fast, in-process SQL OLAP database management system designed for analytical queries and seamless integration with major languages.
Trino
A high-performance, distributed SQL query engine for big data analytics, enabling fast exploration of data universes.
MongoDB
A popular, open-source NoSQL document database designed for high scalability, flexibility, and developer productivity.
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