Startup Playbook by Hatch Quarter - A guide to building your startup
Alcamy - Free, open self-learning platform. Learn & teach anything.
On Slack by Standuply - The most extensive book on using Slack to the utmost
Verify by VoilaNorbert - Verify your email list and improve deliverability ✅
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Sidemail - The simplest way to send transactional emails. Sidemail makes sending transactional emails trivial, it's perfect for side projects, MVPs or the next big thing.