Dev tools · alternatives · 2026

24 alternatives to Overflow

Cards Forum for problem solving and easy networking

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Overflow launched in 2019; newer entries below may have overtaken it.

1
Overflow▲1,139
The world’s first user flow diagramming tool for designers
2018 · overflow.io · its alternatives →
2
Slack Overflow▲230
A programmer's best friend, now in Slack.
2015 · github.com · its alternatives →
3
Overflow 2.0▲262
Create interactive user flow diagrams that tell a story
2022 · overflow.io · its alternatives →
4
Stack Overflow Documentation▲227
A crowdsourced developer documentation
2016 · stackoverflow.com · its alternatives →
5AO
Answer Overflow – Indexing Discord content into the web▲333
Hi! I'm Rhys, I develop Answer Overflow a search engine for Discord channels. Answer Overflow indexes content from channels into Google making them discoverable on the web. I'm sharing this again after seeing a lot of discussion during the Reddit blackout about the inaccessibility of information sent in Discord servers. Answer Overflow is a verified bot in over 100 communities, fully complies with the Discord ToS, and is open source! https://github.com/AnswerOverflow/AnswerOverflow Check out some of the communities here! T3 Community -…
2023 · answeroverflow.com · its alternatives →
6
Overflow for Windows▲91
The world’s first user flow diagramming tool for designers
2020 · overflow.io · its alternatives →
7
Platforma Flowcharts▲188
Collection of cards for website and app prototyping
2016 · web.flowcharts.ws · its alternatives →
8
UX Overflow▲133
The place where designers find answers.
2018 · uxoverflow.com · its alternatives →
9
code:deck▲244
Playing cards, for developers, by developers
2015 · varianto25.com · its alternatives →
10
NoCode Club▲379
The StackOverflow for no-code makers
2020 · its alternatives →
11
Stack Overflow on Mobile▲211
Q&A for software engineering problems
2017 · stackoverflow.blog · its alternatives →
12
Cards - Webflow UI Kit▲233
Free Clonable UI Kit prepared fully in Webflow Designer
2018 · janlosert.com · its alternatives →
13
Ocean▲208
A Community of designers sharing feedback
2014 · ocean.ink · its alternatives →
14
Resource Cards▲150
Collection of curated free resources for designers.
2016 · resourcecards.com · its alternatives →
15
Flowhub▲85
Let's Make Code More Playful (Beta Open)
2014 · 12bet.review · its alternatives →
16
Airgora▲130
A visual community for physical product designers
2016 · its alternatives →
17
Answer Overflow▲71
Open source indexing of Discord channels into Google
2023 · answeroverflow.com · its alternatives →
18
OverflowAI▲218
Access coding knowledge while staying in flow
2023 · stackoverflow.blog · its alternatives →
19
Wildcard▲91
Twitter/Potluck-esque cards for the rest of the web
2013 · forsale.godaddy.com · its alternatives →
20
LiquidTalent▲129
On-demand marketplace for designers and developers
2015 · liquidtalent.com · its alternatives →
21
Spiral 3.0▲81
Proximity-based community forum
2014 · getspiralapp.com · its alternatives →
22
Spaceteam: The Card Game▲113
A chaotic and cooperative card game.
2015 · playspaceteam.com · its alternatives →
23
Hack Club▲182
Free and open source high school coding clubs 👊💥
2016 · hackclub.com · its alternatives →
24
Embedly▲141
Responsive shareable cards for any content on the web.
2015 · embed.ly · 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 →