UI8 is a well-known marketplace for UI kits, templates, and design resources, especially for teams that want to move fast with ready-to-use assets. But the alternatives span very different jobs-to-be-done: Craftwork leans into “human-made” curated packs with tighter workflow integrations, Envato is a broad subscription for nearly every creative asset type, Mobbin is a research-first library of real app flows (not downloadable kits), and specialists like Streamline and Vectopus focus on consistent iconography and curated visual elements to avoid mismatched, generic-looking results.
In evaluating options, we weighed asset quality and curation, licensing clarity, library breadth and freshness, and how easily assets or references fit into day-to-day workflows (including Figma and dev-facing access). We also considered discoverability (search/filtering), usability of the product experience, and pricing models—especially the trade-offs between subscriptions, packs, and budget-friendly all-in-one libraries.