Commerce · alternatives · 2026

24 alternatives to Sell In Public Challenge

+125 founders with 180 days to build & sell on MicroAcquire

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Sell In Public Challenge launched in 2021; newer entries below may have overtaken it.

1
MicroAcquire▲1,552
A free & anonymous startup acquisition marketplace
2020 · microacquire.com · its alternatives →
2
Microns v2▲664
Discover micro startups for sale with zero commission on Microns. Explore a wide range of online businesses and find your next opportunity without hidden fees. Join our community of entrepreneurs today.
2024 · microns.io · its alternatives →
3
#30DayStartup▲598
Learn to build and launch your startup in 30 days, for free
2018 · its alternatives →
4
100 Users 100 Days Challenge Round 2▲364
Get 100 paying users in the next 100 days
2022 · 100in100.co · its alternatives →
5
MakeHub 2.0▲600
65 solo founders making $370,000/mo
2020 · its alternatives →
6
100 in 100 Challenge▲533
Get 100 new paid users in 100 days
2021 · 100in100.co · its alternatives →
7
MicroAcquire App For Slack▲147
Receive instant alerts when new startups go live
2022 · microacquirealerts.com · its alternatives →
8
Buy Sell Startups▲284
Free startup acquisition marketplace with 0% commission
2023 · buysellstartups.com · its alternatives →
9
Marketing Week Challenge 2.0▲504
Boost your marketing in 7 days
2022 · makerbox.club · its alternatives →
10
Build In Public Cheatsheet▲231
All you need to know about building In public 🚀
2021 · app.notion.com · its alternatives →
11
Founders launching startups on Twitch▲265
One day. Hundreds of livestreamed startups. Cash Prizes.
2018 · 24hrstartup.com · its alternatives →
12
BuyMicroStartups▲510
Buy and sell micro-startups without fees
2024 · buymicrostartups.com · its alternatives →
13
Bidboard▲108
A digital billboard to promote your startup
2018 · its alternatives →
14
I made a free site that lets you discover tiny startups for sale▲7
Buy and sell profitable micro-startups, SaaS tools, and internet businesses. No broker fees, no commission — connect directly with founders. Browse vetted listings from $5k to $500k+.
2024 · buysellstartups.com · its alternatives →
15
It took 4 years to sell my startup. I wrote a book about it▲208
The complete book: A founder
Feb 2026 · derekyan.com · its alternatives →
16
EarlyAcquire▲291
Where side projects are acquired anonymously
2022 · its alternatives →
17
Letter of Intent Builder by MicroAcquire▲150
Create an LOI for startup acquisitions in minutes
2022 · microacquire.com · its alternatives →
18
MVP-Challenge▲209
2 weeks. 1 MVP startup. $0 costs
2019 · mvp-challenge.com · its alternatives →
19
Startup School Live 2022▲175
Learn how to start a startup, with help from Y Combinator
2022 · startupschool.org · its alternatives →
20
Start With A Side-Project▲170
How I built, marketed, and sold a side-project in 3 months
2020 · nscode.gumroad.com · its alternatives →
21
No-VC Reports▲181
Build a startup in 6 months by reading 5-min reports
2020 · flexiple.com · its alternatives →
22
0-to-Startup▲188
Idea to prototype in 30 days by an on-demand workforce
2017 · its alternatives →
23
Founder University▲69
12-Week Pre-Accelerator: MVP to $25k Investment
2023 · its alternatives →
24
Get Intro▲144
Pitch your startup in 60 seconds to +1,000 investors
2022 · getintro.xyz · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →