
E2open
SAP SCM
Oracle SCM
Manhattan SCM
Descartes SCM
BluJay Solutions
HighJump
Manage your freight tracking in real-time with project44's supply chain visibility platform. Schedule a demo today.

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?
Based on our record, ALTCHA seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | project44.com | altcha.org |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 250 - 499 employees · 2014 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of project44 yet.
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.


Possible disadvantages
Walkthroughs and reviews on video.
Why the World's Leading Brands Rely on project44
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 project44 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 project44 and ALTCHA. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking project44 since Mar 2021.
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 / 5 months ago
Here's how PoW works for form protection (using the ALTCHA wire format):. - Source: dev.to / 6 months ago
Go based, similar to JS based ALTCHA https://altcha.org/ discussed at https://news.ycombinator.com/item?id=43971068. - Source: Hacker News / 10 months ago
When comparing project44 and ALTCHA, you can also consider the following products.

E2open is a provider of cloud-based, on-demand software for supply chains.
Compare E2open to project44 or ALTCHA:

reCAPTCHA is a free security service that protects your websites from spam and abuse.
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Run real-time operations with digital supply chain management (SCM) software that harnesses new technologies such as AI and the Internet of Things.
Compare SAP SCM to project44 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 project44 or ALTCHA:

Learn how Oracle Supply Chain Management (SCM) solutions can help drive innovation and turn traditional supply chains into integrated value chains.
Compare Oracle SCM to project44 or ALTCHA:

Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors.
Compare Cloudflare Turnstile to project44 or ALTCHA: