If you're trying to understand somebody else's code, Code to Flow could be a lifesaver. The service converts code into flowcharts, which can help you comprehend complicated logic and work with others. It works with many programming languages and offers several pricing tiers, including a free trial and a monthly pro plan. The interactive flowcharts can dramatically improve code organization and productivity.
Another choice is Mockitt, an integrated design, prototyping and collaboration tool. It's got intuitive tools for creating flowcharts, mind maps and real-time collaboration. With AI-powered tools like magic fill and AI chat, Mockitt can help you speed up your design process and communicate better with your team. It's also got a free version, so it's good for people with varying levels of expertise.
If you need something more general-purpose for diagramming, EdrawMax is worth a look. The online tool lets you create more than 280 types of diagrams, including flowcharts, and has AI-assisted diagramming. It can import and export a lot of file formats, and it's got a big library of templates and symbols. EdrawMax is good for lots of different industries, and it's got a cloud-based workspace for collaboration, so it's a good all-purpose tool for smart diagramming.