21st.tools
It's a product hunt alternative with no biases.
Ranked #7815 on TrustMRR
No active subscriptions
509 followers on ๐
Revenue is verified with
Stripe API key.Last updated: Nov 15, 2026, 02:11 PM
Screenshot
21st.toolsProduct updates
Discover more startups
Advanced SearchBLOXG โ Roblox Marketing Agency
BLOXG is a rapidly growing influencer marketplace built for Roblox, one of the world's largest gaming platforms with 100M+ daily active users. Launched in 2026, BLOXG has already paid $2,000โ$3,000+ to creators within its first few months. Revenue comes from marketplace fees and 4 owned Roblox channels. The sale includes BLOXG.com, the platform, brand, creator network and all 4 channels, with significant room to scale.
Revenue (30d)
$11k
MRR
$10
Total
$19k
AI Toolbox
Profitable every month since launch, 24 in a row, at a ~92% margin with under $100/mo in operating costs. No Google, Meta or Reddit ads: growth comes from a site built for Google and AI answer engines and from the Chrome Web Store, where it carries the Featured badge. Runs on ~5 hrs/week. Conversations are never stored on our servers. A 23k-member Reddit community of AI power users is included. Upside: lifecycle and conversion work, Teams sales, paid ads, new AI assistants.
Revenue (30d)
$25k
MRR
$1.2k
Total
$137k
Confidential Startup
AI-Powered Chrome extension in education space, providing answers in browser covertly.
Revenue (30d)
$14k
MRR
$14k
Total
$299k
Penmo
Penmo plans and creates content that helps businesses turn interest into customers. We build connected content funnels using blogs, landing pages, emails, case studies, and social posts, with human writers handling research and writing in each clientโs voice. Businesses and agencies get ongoing content through monthly plans. A built-in platform handles billing, project requests, writer communication, reviews, and delivery.
Revenue (30d)
$6.7k
MRR
$6.7k
Total
$118k
Quantt
We specialise in creating educational content for people who want to improve their coding, technology, mathematics and financial literacy so that they get land their dream job. This is an interactive programming application for learning.
Revenue (30d)
$5.1k
MRR
$5.7k
Total
$39k
Confidential Startup
only organic marketing, ad generator website. full marketing guide, ai agents running feedback loops. easy to handover.
Revenue (30d)
$19k
MRR
$12k
Total
$84k