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| # | Project | Category / model | Reported revenue | Evidence | GitHub ⓘ | Save and compare |
|---|---|---|---|---|---|---|
| 01 | Developer toolsOne-time software license purchases | ≈ $5,000Monthly revenue · Unspecified $Monthly amount reported in the February 5, 2026 founder interview; exact measurement cutoff unstated | Founder disclosureChecked Oct 20, 2026 | — | ||
| 02 | EmailEngine A self-hosted gateway that exposes mailbox access through a common REST API. Researched profile |
Developer toolsSelf-hosted software subscription + enterprise license | ≈ $13,000MRR · Unspecified $Current MRR stated in the interview published January 24, 2026; measurement date unspecified | Founder disclosure in interviewChecked Oct 19, 2026 | — | |
| 03 | Healthchecks.io Alerts when a scheduled job or backup fails to check in on time. Researched profileOpen source |
Developer toolsOpen source + hosting | $26,000MRR · USDOfficial MRR snapshot updated October 2, 2026 | Company disclosureChecked Oct 19, 2026 | — | |
| 04 | Developer toolsCredit-based API access through subscriptions and pay-as-you-go purchases | > $15,000Monthly revenue · Unspecified $Gross revenue for 'last month' in the July 7, 2026 interview; the financial month and cutoff are not explicitly dated | Founder disclosure in interviewChecked Oct 20, 2026 | — | ||
| 05 | ShipFast A paid web-app starter that packages common launch infrastructure for developers. Researched profile |
Developer toolsPaid license | ≈ $46,400Monthly revenue · Unspecified $October 2024 | Founder disclosureChecked Oct 19, 2026 | — | |
| 06 | SocialKit An API that turns supported social media URLs into structured content and metrics. Researched profile |
Developer toolsUsage-based subscriptions + one-time credit packs | ≈ $2,800MRR · Unspecified $Subscription MRR reported in a July 28, 2026 interview; measurement day unspecified | Founder disclosure in interviewChecked Oct 19, 2026 | — | |
| 07 | Superpower (ChatGPT + Daily) A ChatGPT workflow extension and associated AI newsletter business. Researched profile |
Developer toolsFreemium subscriptions plus newsletter sponsorships across the founder's business | ≥ $10,000MRR · Unspecified $Combined extension-and-newsletter business described as 5-figure MRR in the July 8, 2026 interview; exact financial cutoff unspecified | Founder disclosure in interviewChecked Oct 20, 2026 | — |
Figures are source disclosures, not audited by MRRTrace. Revenue is not profit. Revenue sorting uses the selected metric and currency (default: USD MRR); other metrics follow alphabetically. GitHub stars measure repository interest, not business success.