
Waitlister.me
Viral Loops
Waitlist API
Prefinery
KickoffLabs
FreeWaitlists
MyWaitlist
Build a viral waitlist of early users before you launch.

reCAPTCHA
hCaptcha
Cloudflare Turnstile
Akismet
Private Captcha
mosparo
Cap Captcha
ALTCHA is a free CAPTCHA alternative that uses a proof-of-work mechanism to protect your website, and online services from spam.

Which is more popular?
ALTCHA might be a bit more popular than LaunchList. We know about 4 links to it since March 2021 and only 4 links to LaunchList.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | getlaunchlist.com | altcha.org |
| Pricing | ||
| Platforms | ||
| Company | 2022 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


LaunchList is pre-launch waitlist software for founders. It is built for solo founders and early-stage teams who want people waiting for their product before launch day. Most founders stitch a launch together from four to six tools: a landing page builder, a form, a referral widget, an email tool...
ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other solutions, ALTCHA is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully...
What each product offers, as listed by its team.


Walkthroughs and reviews on video.
cAPPtion: Launchlist Web App Review
No ALTCHA videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing LaunchList and ALTCHA.
ALTCHA's answer:
What makes ALTCHA unique is that it is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR. Unlike other captcha solutions, ALTCHA does not require users to solve puzzles or captchas and uses a proof-of-work mechanism instead.
ALTCHA's answer:
Here are some key reasons why a person should choose ALTCHA over its competitors:
So in summary, ALTCHA's privacy compliance, open design, accessibility, machine compatibility and modern approach give it clear advantages over competing captcha solutions.
ALTCHA's answer:
JavaScript and Svelte.
ALTCHA's answer:
Our primary audience for ALTCHA Forms includes enterprises, medium and small businesses, non-profits, and individuals who need a reliable, secure, and compliant solution for data collection and management. Whether you're a large corporation dealing with extensive regulatory requirements, a small business looking to protect customer and employee data, a non-profit organization managing sensitive information, or an individual seeking robust data security, ALTCHA Forms provides the tools and features necessary to meet your needs. With a focus on compliance, user-friendly design, and advanced security measures, our platform is tailored to support diverse users in navigating complex regulatory landscapes and ensuring data protection.
Share your experience with using LaunchList and ALTCHA. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I run a pre launch waitlist software ( https://getlaunchlist.com ) and there is definitely a market for a landing page builder. Source: over 3 years ago
If you are curious about what’s possible there are subreddits where you can find people sharing or discussing a lot great examples of prompts. Or on Discord servers there is a lot of discussion. On the web there are so many, like:... Source: almost 4 years ago
I run a viral waitlist management tool, if you have a minute you can check out and it may help you generate few more users without extra marketing efforts. Https://getlaunchlist.com. Source: about 4 years ago
ALTCHA won on the boring things. It is open source, self-hosted and collects nothing, and it ships official libraries in both Go and PHP, the two languages our two layers already speak. So the same protocol runs twice on every store, by... - Source: dev.to / about 1 month ago
The captcha on orkestr is Altcha. Self-hosted, no third-party JS, no Google, no behavioral tracking. Users don't see a puzzle. There's a single checkbox and a quiet "verifying..." while the browser does some math. About a second, total. - Source: dev.to / 6 months ago
Here's how PoW works for form protection (using the ALTCHA wire format):. - Source: dev.to / 7 months ago
When comparing LaunchList and ALTCHA, you can also consider the following products.

A waitlist helps you validate your product idea and build hype — Waitlister helps you create an effective waitlist.
Compare Waitlister.me to LaunchList or ALTCHA:

reCAPTCHA is a free security service that protects your websites from spam and abuse.
Compare reCAPTCHA to LaunchList or ALTCHA:

Viral Loops is a viral and referral marketing platform to launch ranking competitions, sweepstakes, pre-launch and referral programs.
Compare Viral Loops to LaunchList or ALTCHA:

Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.
Compare hCaptcha to LaunchList or ALTCHA:

Quick and easy waitlist with built in referral.
Compare Waitlist API to LaunchList or ALTCHA:

Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors.
Compare Cloudflare Turnstile to LaunchList or ALTCHA: