500+ Free Online Tools I Built — Here Are the Most Useful Ones

March 28, 2026 · Dev.to

I Built a Browser Tool to Manage My Own Memory Files
Because drag-and-drop beats digging through dotfiles. Every AI agent that uses a memory system ends up with the same pro
We built a governance layer for AI-assisted development (with runtime validation and real system)
I’ve been working on a project called Janus — a governance layer for AI-assisted development systems. The core idea is s
What Is Context Engineering and How to Apply It in Real Systems
An AI code assistant generates a function to handle user uploads. The code looks correct, compiles, and passes all tests
Tiger Woods arrested, charged with DUI in Florida rollover car crash: police
Woods was detained after the vehicle he was driving clipped a truck and flipped over while trying to overtake on a resid
Stones thrown, arson attack: Clashes during Ram Navami in Murshidabad, Purulia
Stones thrown arson attack Clashes during Ram Navami in Murshidabad Purulia