Coding and upskilling

Practice, contests and tools for getting better at writing code.

7 listings; 6 answered their last check, the most recent 4 hours ago. For the 2 you install, we check the project's site, not the tool.

7 tools

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2

Cruscible

Competitive coding with DSA problems, live contests and AI review

Coding and upskilling
  • Web
  • Free
161 checks
99%
uptime
351ms
response
4h ago
last check
16d ago
last changed
1
failures
16d ago
last failed
1
changes
1 month ago
screenshot
1 month
watching
Checked byIt Still Works
Last pushNo repo
Hosted onCloudflare
Working
3

CSS Battle

Recreate a target image in the shortest CSS you can write

Coding and upskilling
  • Web
  • Free
157 checks
100%
uptime
86ms
response
4h ago
last check
24d ago
last changed
0
failures
—
last failed
2
changes
1 month ago
screenshot
1 month
watching
Checked byIt Still Works
Last pushNo repo
Hosted on—
Site up
2

Open Steps

1.3k

Free Claude Code skills that turn jargon into plain steps

Coding and upskilling
  • Installed
  • Free
  • No signup
  • Open source
157 checks
100%
uptime
202ms
response
4h ago
last check
28d ago
last changed
0
failures
—
last failed
4
changes
1 month ago
screenshot
1 month
watching
Site checked byIt Still Works
Last push28d ago
Hosted on—
Working

Vibe Code School

21

Seven interactive courses from first prompt to shipped software

Coding and upskilling
  • Web
  • Free
  • No signup
  • Open source
157 checks
100%
uptime
142ms
response
4h ago
last check
—
last changed
0
failures
—
last failed
0
changes
1 month ago
screenshot
1 month
watching
Checked byIt Still Works
Last push1 month ago
Hosted on—
Working

Learn GDScript From Zero

The Free app to learn to code from zero, right in your browser!

Coding and upskilling
  • Web
  • Free
  • No signup
132 checks
100%
uptime
18ms
response
4h ago
last check
—
last changed
0
failures
—
last failed
0
changes
1 month ago
screenshot
1 month
watching
Checked byIt Still Works
Last pushNo repo
Hosted on—
Working

TypingTest.si

Test typing speed in 12 languages, then drill the words you miss

Coding and upskilling
  • Web
  • Free
8 checks
100%
uptime
270ms
response
4h ago
last check
—
last changed
0
failures
—
last failed
0
changes
3d ago
screenshot
1 day
watching
Checked byIt Still Works
Last pushNo repo
Hosted on—
Site gone

agent-isles

34

Learn, create, and ship real work with an AI partner

Coding and upskilling
  • Installed
  • Free
  • No signup
  • Your own API key
  • Open source
157 checks
1%
uptime
180ms
response
4h ago
last check
1 month ago
last changed
156
failures
4h ago
last failed
1
changes
1 month ago
screenshot
1 month
watching
Site checked byIt Still Works
100 commitspushed 1 month ago
Hosted on—
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