Find the best open-source alternatives

A full-featured Crystal web framework that catches bugs at compile-time, runs incredibly fast, and helps you write maintainable code.

A powerful, high-performance .NET ORM supporting AOT, multiple databases, and advanced features like CodeFirst/DbFirst.

A federated photo sharing platform that lets you share photos without algorithmic barriers, part of the fediverse.

UI components and hooks for building robust, customizable, and accessible video/audio players on the web.

Deep Lake is a multimodal data lake and vector store optimized for AI, enabling scalable data management, retrieval, and training for LLM and deep learning applications.

A YAML-based serverspec alternative for validating server configuration, with auto-generation of tests from system state.

An open-source end-to-end developer platform with source code hosting, CI/CD pipelines, hosted dev environments, and artifact registries.

An open-source database DevOps tool providing CI/CD, SQL review, and security features for managing database schema changes.

A simple, stateless deployment tool for NixOS, enabling parallel configuration deployment across multiple hosts.

A powerful, interactive JavaScript charting and data visualization library for the browser.

Intuitive, type-safe, and flexible state management store for Vue using the Composition API.

An open-source threat hunting platform with advanced analytics capabilities built on ELK stack, Apache Spark, and Jupyter notebooks.

A cloud-native, open source API gateway written in Go, supporting REST, GraphQL, TCP, and gRPC protocols.

A container runtime written in Rust that implements the OCI runtime specification, designed for performance and memory efficiency.

A continuous file synchronization program that securely syncs files between multiple computers without central servers.

A fast, reliable, and secure package manager for JavaScript with offline mode and deterministic installs.

A responsive CSS grid system built with CSS3 Flexbox for modern web layouts.

A responsive CSS grid system built with CSS3 Flexbox for modern web layouts.

An open-source, self-hosted status page system for monitoring and communicating service uptime and incidents.

A lightweight TypeScript library for creating customizable particle effects, confetti, and fireworks animations as website backgrounds.

An open-source macOS app for elegant window management with a customizable radial menu and keyboard shortcuts.

A free, open-source web application security scanner for finding vulnerabilities during development and testing.

A lightweight LDAP authentication server with a web UI, designed for simple user management in self-hosted environments.

An open-source, privacy-focused alternative front-end to YouTube that works without JavaScript.

A free, open-source reference management tool to collect, organize, annotate, cite, and share research sources.

An open-source AI memory tool that captures your screen and audio locally, enabling search and automation agents based on your computer activity.

An open-source authentication and user management solution with passkeys, MFA, OAuth SSO, and SAML support.

A powerful macOS desktop automation tool that bridges system APIs with a Lua scripting engine.

A free, open-source DNS server that blocks ads and trackers network-wide for all your home devices.

A federated blogging engine built with Rust and ActivityPub, allowing users to create and manage multiple blogs across interconnected instances.

An open-source time-series database for high-speed ingestion and low-latency SQL queries.

A lightweight PHP library for issuing HTTP requests with multiple client implementations including cURL and file_get_contents.

A lightweight comments system for websites that uses GitHub Discussions for storage and moderation.

A fast front-end web application build tool with simple declarative config and seamless incremental compilation.

A hackable open-source voice assistant platform for building and running custom voice-controlled applications.

A reactive Python notebook that's reproducible, git-friendly, and deployable as scripts or apps.