Https://linear-equations.com/ Solve systems of linear equations. A tool I needed during my studies. No idea if that counts as a proper side project since it took like a day (?) or so to make. - Source: Hacker News / over 1 year ago

Hyperise - Personalize images in your outreach. Source: 11 months ago

The organic reach of Facebook groups can go up to 30% for large groups above 4k, while with Discord, you're pretty much hitting everyone. With WhatsApp chatbots you can also disguise a promotional message as an informational one, to reduce people reporting you. You can also create hyper-personalised images with Hyperise(https://hyperise.com) to keep your engagement rate up. Source: over 2 years ago

Anyway, one resource that has helped me differentiate my emails from the rest is a little-known tool called Hyperise. You can send these really cool attention-grabbing personalised images in your emails. An example is of one I've used is sending a picture of a coffee cup with the name of my prospect on it -- definitely a strategy that has boosted response rates! Source: about 3 years ago