I Built a Free Directory of 450+ Open-Source SaaS Alternatives (with Docker Configs)

The Problem Every month, startups and developers burn thousands on SaaS subscriptions for tools that have excellent open-source alternatives. The problem isn't that alternatives don't exist — it's that finding, comparing, and deploying them takes hours of research. The Solution I built The AltStack — a curated directory of 450+ open-source alternatives to proprietary SaaS, organized by 28 categories. What makes it different: 1. Docker Deployment Configs 56+ tools include ready-to-use Docker Compose configurations. No more spending an afternoon figuring out volumes, environment variables, and reverse proxy setup. 2. Side-by-Side Comparisons Compare any two tools head-to-head: features, GitHub activity, pros/cons, deployment options. 3. AI Model Matrix A dedicated section for open-source AI models — LLMs, image generators, video generators, coding assistants — filterable by provider, license, and parameter count. 4. Savings Calculator Enter your current SaaS stack, see exactly how much y