Five categories
Every entry is hand-tested and rated (out of 5), with a "NEW" tag for recent additions.
Ops Scripts
Practical scripts for servers and daily ops
- Linux server basic inspection ★★★★★ 4.8
- Port scan & service discovery ★★★★☆ 4.6
- Batch file rename ★★★★☆ 4.5
- Log auto-cleanup & archive ★★★★★ 4.7
Desktop Software
Must-have apps for setup and office
- Figma (design collaboration)
- Redis Desktop Manager
- Huorong App Store
- Tencent Software Center
Online Tools
Lightweight tools that run in the browser
- Pixian — free AI background remover
- Happy Scribe — speech to subtitles
- Photopea — online Photoshop
- Can I Use — compatibility query
Tutorials
Hands-on guides from beginner to advanced
- Excel Pivot Tables in practice
- Beginner-to-advanced series
- Ops troubleshooting handbook
Assets
Resources for quant and creativity
- A-share quant mini-tools
- Icons / color palettes / templates
Why Ozhan Lab
Hand-testedEvery entry is run and used, not scraped or clickbaited.
Real ratingsRated out of 5 to lower your trial-and-error cost.
Continuous updates"NEW" tags surface fresh, working tools.
Clean & focusedNo tricks, no ad stacks — just tools that work.
Who it's for
DevelopersOps engineersOffice workersQuant enthusiastsStudentsIndie makers
Frequently asked questions
Real search questions from our readers, answered plainly.
What is Ozhan Lab?
Ozhan Lab is a hand-tested library of tools, software, tutorials and resources that actually work. Instead of maximizing quantity, it filters the vast software world down to what's genuinely useful — across ops scripts, desktop software, online tools, tutorials and assets.
What free ops scripts do you recommend?
Under the "Ops Scripts" category you'll find a tested list: Linux server basic inspection, port scan & service discovery, batch file rename, and log auto-cleanup — each rated with its real-world use case.
Is there a free AI background remover?
Yes. The "Online Tools" category includes Pixian (free AI background remover) — runs in the browser, great for e-commerce images, avatars and asset cutouts, no install needed.
Which online Photoshop alternative do you recommend?
Photopea is an online Photoshop alternative featured in Ozhan Lab. It handles layers, cutouts and color correction right in the browser — ideal if you don't want heavy desktop software.
Where can I find an Excel pivot table tutorial?
The "Tutorials" category offers hands-on guides like "Excel Pivot Tables in Practice", from beginner to advanced, so office workers can level up their reporting fast.
Where can I find quant trading mini-tools?
The "Assets" category includes A-share quant mini-tools — handy for backtesting, data processing and strategy validation.
How often is the site updated?
Ozhan Lab updates continuously: new tools get a "NEW" tag and old ones are periodically re-tested. "Useful long-term" is the only standard — that's what sets it apart from bookmark dumps and ad aggregators.
Update rhythm
Ozhan Lab updates continuously: new tools carry a "NEW" tag and existing ones are re-tested on a regular basis. We don't chase trends like a news site; we keep "useful long-term" as the only bar.
Start now — pick one tool that works
Begin with the category you need most: try it, and keep what truly works in your bookmarks.
Visit Ozhan Lab →