Tag
#open-core case studies
2 sourced case studies tagged #open-core. Every number links inline to the page it came from; self-reported figures are labelled as such.
- LLM Gateway: an AGPL LLM router that passed $1M verified revenue in about a year
- Excalidraw: a weekend side project, 135K GitHub stars, and a paid Excalidraw+ to fund it
Developer tools7 sources · 2 min
LLM Gateway: an AGPL LLM router that passed $1M verified revenue in about a year
LLM Gateway gives developers one API for many model providers, open source with a paid cloud. TrustMRR shows it crossed $1M in Stripe-verified revenue within roughly a year of its 2025 founding.
llmapi-gatewayopen-core
SaaS6 sources · 2 min
Excalidraw: a weekend side project, 135K GitHub stars, and a paid Excalidraw+ to fund it
Christopher Chedeau started a hand-drawn diagram tool on 1 January 2020. It went viral as open source, and the team later built Excalidraw+ so the free project could pay for itself.
open-sourcewhiteboarddiagrams
Other tags
#ai (17)#bootstrapped (14)#solo (12)#trustmrr (12)#acquisition (11)#cautionary (11)#build-in-public (10)#saas (7)#venture-funded (7)#consumer (6)#pivot (6)#shutdown (6)#api (5)#open-source (5)#platform-risk (5)#product-hunt (5)#solo-founder (5)#vibe-coding (5)#viral (5)#ads (4)#agents (4)#b2b (4)#failure (4)#no-code (4)#timing (4)#community (3)#freemium (3)#hacker-news (3)#hardware (3)#image-generation (3)#side-project (3)#social-media (3)#acqui-hire (2)#analytics (2)#api-costs (2)#browser (2)#creator-economy (2)#cursor (2)#free-product (2)#game (2)#layoffs (2)#long-game (2)#mobile (2)#one-time-purchase (2)#privacy (2)#read-it-later (2)#reddit (2)#scheduler (2)#seo (2)#slow-growth (2)#text-to-speech (2)#viral-loop (2)#wrapper (2)