Open Startups might be a bit more popular than Startup Tracker. We know about 1 link to it since March 2021 and only 1 link to Startup Tracker. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The only competitor we can think of right now is https://startuptracker.io/ they combine information from leading providers with data crowdsourced directly from startups to make your startup research easier than ever. Data sources include: Fedger.io, Beta List, Crowdsourcing, Crunchbase, Product Hunt, Social Media. Source: almost 3 years ago
Selling software applications that solve actual problems of businesses = yes, check out https://postmake.io/open https://www.indiehackers.com/. Source: over 1 year ago
Mattermark - Ranking 800,000+ high growth Internet companies
Startup Snapshot - Vivid behind-the-scenes startup stories, in photographs
BlueLight - Smartest way to get emergency help, on or off campus
Starter Story - Learn how others are building successful e-commerce businesses.
Funderbeam - Where Growth Companies are Funded and Traded Across Borders
OpenStartup.dev - A collection of open startups