Free Tool Makes AI-Generated Diagrams Look Like a Human Drew Them

Have you ever tried to make a diagram — a flowchart, a system map, or a network chart — and watched it turn into a tangled mess of crossed lines and random spacing? That's the problem TALA solves. It's a layout engine (the part of diagram software that decides where boxes and arrows go) and it just became open-source, meaning anyone can download, use, and improve it for free. This is a big deal for tools like D2, which lets people create diagrams by writing simple text, similar to how you'd write a file instead of dragging shapes around.

The key difference? Older layout engines often arrange diagrams in a single direction, like a waterfall flowing downward. TALA instead mimics how humans draw on a whiteboard: it uses horizontal and vertical lines, groups related items together, keeps things symmetrical, and aims for visual balance. For example, if you're drawing a software architecture with many connected components, TALA arranges them naturally rather than in a forced, one-way flow. That makes the diagram easier to understand at a glance — and easier for teams to communicate.

Another standout feature is that TALA lets you "lock" certain boxes in specific positions while automatically routing the connecting lines around them. This is especially useful for AI tools that generate diagrams: an AI can pick where major objects go, but drawing clean connecting lines without overlaps is still hard for it. TALA handles that messy part for you. You can even mix AI-generated parts with manual coordinates, so you get a hybrid that looks professional with far less effort.

Of course, it's not perfect. TALA is slower on very large diagrams and includes some randomness, so adding one new item can completely rearrange your layout. But because it's now open-source, developers worldwide can improve and adapt it. For regular users, the practical takeaway is simple: better-looking diagrams without the manual puzzle work.