
Deno
Full-stack Javascript Components for one-dev armies

KeepingYouAwake
Caffeine for Mac
Theine
Caffeinated
Capsomnia
InsomniaT
Sleepless Mac
Valpas keeps your Mac awake for exactly as long as you say: one switch in the menu bar, a visible countdown, and rules that start and stop it for you. Lid closed with Pro. Native, sandboxed, nothing collected.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | nullstack.app | kirsulab.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Nullstack yet.
Valpas keeps your Mac awake for exactly as long as you say: one switch in the menu bar, a visible countdown, and rules that start and stop it for you. Pick 15 minutes, an hour, four hours or forever. When the countdown ends, Valpas hands the Mac back to its own sleep settings. It doesn't override...
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Full-stack with Nullstack - Part 3
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Nullstack and Valpas. For example, how are they different and which one is better?
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A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
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A Caffeine clone for macOS Yosemite, El Capitan and Sierra (including Dark Mode).
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