7 Developer Tools I Actually Pay For (And 3 That Are Free) (opens in new tab)

I'm cheap. I use Arch Linux, Neovim, and open-source everything. But some tools are worth paying for. Here's my list. Paid (worth every đồng) 1. DeepSeek API (~$10/month) My AI coding agent runs on DeepSeek v4 Pro. Cheaper than GitHub Copilot ($10 vs $19/month). Better for Vietnamese context. I use it through Hermes Agent to build boilerplates, write tests, and debug. DeepSeek Platform — $0.14/M input tokens 2. Railway (~$5/month) Full-stack hosting that just works. Docker Compose one-click d...