Tiger 21
Tiger 21 is a peer-to-peer network for high net-worth individuals founded by Michael Sonnenfeldt. The platform facilitates wealth building and preservation through community and knowledge sharing among affluent members. The company operates as a membership-based marketplace connecting wealth individuals.
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OMNEX
OMNEX is a tool built by Modar Ja to reduce context switching by bringing scattered tools like email, Slack, calendar, docs, and tasks into one place. The product is in early beta stage and seeking user feedback through Indie Hackers community, with the founder positioning it as a re-entry screen to reconnect different work pieces rather than a full replacement for existing tools.
Adproval
Adproval was a marketplace connecting bloggers and influencers with brands, founded by Matthew Anderson in 2011. Despite raising $300k and eventually generating over $200k in annual revenue through consulting services, the company failed after 6 years due to poor revenue model focusing on small commissions, lack of focus on the advertiser side, and founder burnout from depression and anxiety.
Autto.in
Autto.in was an on-demand doorstep car maintenance service operating in Hyderabad, India, founded by Deepak Murthy in 2017. The startup acquired customers through guerrilla marketing at apartment complexes but faced unsustainable unit economics with a $12 customer acquisition cost and long 10-12 month retention cycles. The business failed after burning $15,000 in initial investment against only $5,000 in revenue, eventually shutting down due to high burn rates and concern about the Indian government's announcement to phase out gasoline vehicles by 2030.
Awesomic
Awesomic is a designer marketplace that automatically matches design tasks with the best-fit designer, founded by Roman (ex-software engineer) and Stacy (ex-marketing/CMO). They validated the concept through email-based operations before building the web app in 3 days, and grew through word-of-mouth and conference visibility to 27 team members and 250+ clients completing 2,000+ design tasks in their first year.
Creative Market
Creative Market was a marketplace for buying and selling handcrafted design content (fonts, graphics, icons, etc.) launched in 2011 by Aaron Epstein and co-founders. The team leveraged their existing 1 million-user Color Lovers community and executed a sophisticated seven-strategy playbook to simultaneously build buyer and seller demand: teaser page with $5 credits, viral referral program with tiered incentives, free goods program, favorable 70/30 commission terms, and relationship-based marketing. The marketplace grew to launch day with 70,000 signed-up buyers holding $350,000 in potential credits, generated $3,000 in sales on day one, and was acquired by Autodesk for an undisclosed amount 16 months after launch.