Levels.fyi - Compare career levels across software eng and other fields
Daily Coding Problem - Get exceptionally good at coding interviews
Caliber - IM for LinkedIn. Instantly chat with your business contacts.
Bytesized - Weekly newsletter covering important ideas for developers 💌
No Fluff Jobs - Oferty pracy dla programistów, testerów, specjalistów DevOps, Support, UX, Project Manager, Business Intelligence i innych!
Micro SaaS Idea - Newsletter for anyone looking for profitable micro saas ideas