Find the best open-source alternatives to popular software.

Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and neurodiversity.

Open-source billing system that handles metering, usage-based pricing, and invoicing at scale. Perfect for AI, cloud, and API companies needing flexible monetization.

Mautic is a free and open source marketing automation platform that helps businesses manage leads, create campaigns, and analyze results.

Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

Databend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Deep Lake is an open-source database for storing, querying and managing complex AI data like images, audio, and embeddings.

A digital marketplace platform where creators can sell digital products, from courses to software, with built-in payment processing and content delivery.

Streamline user authentication with passwordless login, enhancing security and user experience for your web applications.

Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.

Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.

Drag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.

Open-source uptime monitoring platform for seamless service management, real-time alerts, and comprehensive status pages

Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

Seamlessly track time across multiple projects, generate insightful reports, and optimize your open source contributions.

Powerful no-code platform for building responsive websites. Combines visual editing with full HTML/CSS customization.

Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

An intelligent note-taking assistant that combines your quick notes with meeting transcripts to create comprehensive, organized meeting summaries automatically.

Open-source wealth management software for tracking stocks, ETFs, and cryptocurrencies across multiple portfolios

Crater offers AI-driven invoicing workflows, payments, and working capital tools to enhance your platform with minimal technical effort.

Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.

Secure, customizable platform for sharing documents and tracking engagement. Perfect for sales teams, marketers, and businesses.

A headless, API-first e-commerce framework built on Node.js with TypeScript, offering customization and scalability for online stores.

A simple, privacy-first analytics platform that provides valuable website insights without compromising visitor data or requiring cookie consent banners.

An all-in-one personal finance platform. Track, optimize, grow, and manage your money through every stage of life.

A powerful, scalable platform for building custom websites and apps with serverless architecture, offering flexibility and cost-efficiency.

Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.