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Curated AI tools and agents directory for developers
Altern is a free, daily-updated directory of AI-powered tools and agents for software development. Discover IDE assistants, coding agents, app builders, security tools, and more with smart filtering for free and student-friendly options.
Browse and search 100+ curated AI development tools in a clean interface
Filter by IDE assistants, coding agents, app builders, security, testing, documentation, and more
Sort tools by popularity, latest additions, or alphabetical order
Quickly find free tools, student-accessible options, and open-source alternatives
Save and organize favorite tools with a user account
View descriptions, pricing, links, and metadata for each listed tool
New AI products and tools added regularly to keep the directory current
Find the best AI-powered development tools for your specific workflow needs
Compare AI coding assistants and agents to find the right fit for your dev team
Discover free and student-accessible AI tools for learning and coursework
Filter for open-source AI tools to integrate into your projects without licensing costs

AI coding assistant with 300+ models and autonomous agents