Work · alternatives · 2026

24 alternatives to Know Your Co-Founder

Align better with your founding team

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

1
Startup Failures▲116
Share your failures and learn from mistakes
2018 · seedproof.com · its alternatives →
2
Co-founder's Daily Journal▲105
Align with your co-founders, manage conflicts, and more
2021 · vitalbonds.com · its alternatives →
3
Failory 2.0▲146
Learn how to build a profitable startup
2018 · failory.com · its alternatives →
4
ProblemHunt▲552
Hi HN, I’m a solo founder. I built ProblemHunt after noticing a common pattern: many founders start with ideas and solutions, but don’t spend enough time understanding real problems. ProblemHunt is a simple place where people share problems they actually face in work or life. Developers and founders can browse these problems and use them as a starting point for building products. So far: – ~5,000 users – 150+ real problems submitted – 100% organic growth This is still early, and I’m trying to understand if this is genuinely useful. I’d really appreciate feedback: – Would you use something…
2025 · problemhunt.pro · its alternatives →
5
Failory▲390
Learn from other entrepreneur's mistakes
2017 · failory.com · its alternatives →
6
Bubble▲202
Tinder for co-founders
2023 · bubble.talentql.com · its alternatives →
7
Featured Founder▲88
Transparently showcases startups seeking co-founders
2018 · its alternatives →
8
The Science of Growth▲84
Why do some startups succeed where others fail?
2016 · amazon.com · its alternatives →
9
The Failory Podcast▲199
Candid talks with failed startup founders
2020 · failory.com · its alternatives →
10
Founders Origin Stories▲129
Learn from the life & origin stories of successful founders
2020 · flexiple.com · its alternatives →
11
The Startup Chat - 67: Co-Founder Relationships▲59
The ups & downs of cofounder relationships
2016 · traffic.libsyn.com · its alternatives →
12
Be Founders▲81
Find the perfect cofounder.
2020 · its alternatives →
13
3 Real Reasons Why Most Startups Fail▲90
10x growthhacker eBook (first 26 pages only)
2015 · 10xgrowthhacker.com · its alternatives →
14
Foundance▲11
The platform for venture builders
2024 · app.foundance.org · its alternatives →
15
70% of startup ideas suck. Yours doesn't have to. Alpha testers wanted▲14
Many startups fail because they didn
2020 · validator.phalox.be · its alternatives →
16
Mixergy: How a developer became a profitable founder ▲69
How a developer knew 0 about business but became a success
2015 · mixergy.com · its alternatives →
17
Not a Founder▲76
Non-founding execs need support too
2022 · launchpass.com · its alternatives →
18
Write your dream▲6
We match startup founders
2021 · its alternatives →
19
THE PROOF▲146
Discover daily habits that founders swear by
2020 · theproofwellness.com · its alternatives →
20
The Startup Club▲20
Connecting founders to the people they need in their journey
2024 · startupclub.app · its alternatives →
21
Find Co-Founders who share your values▲9
Build Dream Team
Nov 2025 · cofounders.network · its alternatives →
22
Why Failure▲2
The Hard Times
2020 · its alternatives →
23
Why We Fail▲76
Learn from other people's failures.
2016 · rosenfeldmedia.com · its alternatives →
24
Failory – Learn from other entrepreneurs' mistakes▲108
Learn from startup failures and successes in 5 min or less. The stories, frameworks, and tactics that will make you a 10x better founder.
2017 · failory.com · 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 →