Sketch remains a staple for UI design thanks to its focused macOS-native workflow and mature vector editing, but the alternatives landscape has diversified around how teams design, collaborate, and ship. Figma leads the “multiplayer, browser-first” approach with strong real-time collaboration and dev handoff, while Lunacy appeals to cross-platform teams that want a native, offline-first editor with built-in assets. On the more specialized end, Justinmind and Flinto lean into high-fidelity interaction prototyping and simulation, and newer entrants like Absolute Design emphasize design-to-code output and performance-driven engines alongside different pricing philosophies.
In comparing options to Sketch, we weighed day-to-day collaboration and review workflows, cross-platform and offline access, ecosystem depth (plugins/integrations and built-in libraries), prototyping fidelity, developer handoff or code generation, performance on large files, and how well each tool scales from solo use to team governance and pricing needs.