What Tablif read on Kalm's site
Kalm describes itself as: “Kalm Open source: Block ads and YouTube scam/NSFW comment bots”
- Price model: free tier
- Free tier: Free forever
- Stage: Live, no waitlist
What it costs
A free tier, free forever.
- Free plan: free forever
“Free and open source”
How it runs
A browser extension. Runs locally and works offline. Distributed through the Chrome Web Store. Open source. Built with Google Analytics.
- Kind: extension
- Runs where: on the device, offline
- Distributed via: Chrome Web Store
- Open source: yes
- Analytics: Google Analytics
“Available on Chrome.”
“Free and open source, with local checks and cached author decisions.”
What it works with
Names Chrome and uBlock Origin Lite on its pages.
- Names: Chrome · uBlock Origin Lite
“Available on Chrome.”
“Kalm combines ad blocking based on uBlock Origin Lite, including YouTube ad filters, with a YouTube scam/NSFW comment bot blocker.”
What it offers as proof
Live, no waitlist. Try it without signing up.
- Instant signup: yes
- Trial asks for: nothing
“Available on Chrome.”
Sources
Tablif read these pages, last on 13 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
Similar products in Tablif Town
- Blockium: Fast, private ad blocker for Chrome & YouTube
- FixGuard: Block YouTube ads and trackers—free for Chrome and Edge
- Vybbi: Automated spam comment management for Instagram & YouTube
- OpenWhistle: Self-hosted whistleblowing, no IP logs, free under GPL-3.0
- TubePersona: AI YouTube Growth & Monetization Engine
- Shieldra Smart Ad and Privacy Blocker: Shieldra blocks ads, trackers, YouTube ads, phishing sites and cookie popups.
- TubeVerse.AI: Summarize, curate & spot clickbait on YouTube with AI
- Klaivo: Turn your product URL into a publish-ready video ad