All the work around
everyday life, handled.
Usuyna builds small, free tools that remove friction — live simulations, honest rankings, open benchmarks. No noise, no hype, just things that work.
Free forever • No signup • Works offline
Find tools with the world's simplest library
Introducing your
everyday helper
Describe what you need — we point you to the best free tool for the job, with direct links and honest limits.
- Always free, no account needed
- Tested by real humans, updated often
Our free tools
Four tools, each does one job. Pick what you need — everything is free, no account.
Live 3D · 01
Explore the solar system,
live in 3D
Real-time positions of all 8 planets and the Moon. Open the page and you're in orbit — smooth 60fps, live clock, zoom freely. Free, no account.
Planets and the Moon update in real time — no pause button, just like the real sky.
Built for kids, teachers and curious minds: pick any body and travel with it.
No signup, no paywall — open the page and explore.

Best Free AIs · 10/03/2026
1Claude Sonnet 5.5limited 2GLM 5.3unlimited 3Qwen 3.8 Maxlimited + 7 more in the ranking →Rankings · 02
The 10 best free AIs,
tested
- Unlimited picks flaggedSee at a glance which AIs are truly unlimited.
- Multimodal and web searchEvery pick checked for vision and live search.
- Re-tested oftenUpdated 10/03/2026, with direct official links.
Rankings · 03
Free coding agents
for your editor
- IDE and terminal coveredVS Code extensions, apps and CLIs compared.
- Free quotas listedVery large, daily or unlimited — know before you install.
- Models that matterWhich model powers each free plan.
Coding Agents · Free quotas
1OpenCode Zentop pick 2Clinelarge quota 3Kilo Codeunlimited See quotas and models →Wish something in your day was easier?
Tell us what slows you down — we might just build it next.
usuyna@gmail.com