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ALTCHA VS Postcode

Compare ALTCHA VS Postcode and see what are their differences

ALTCHA

ALTCHA is a free CAPTCHA alternative that uses a proof-of-work mechanism to protect your website, and online services from spam.

Rating
0 reviews
Pricing
Open source Free
Alternatives Is it good?
Postcode

VSCode extension alternative to Postman

Rating
0 reviews
Alternatives Is it good?
ReleasePad
Changelog software that turns GitHub commits into release notes your users actually see — inside your app. Built for founders and teams who ship fast. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, ALTCHA seems to be more popular. It has been mentioned 4 times since March 2021.

social mentions
4 vs 0
SPAM Protection popularity
100% vs 0%
alternatives listed
48 vs 20

Base details

Website, pricing, platforms and company facts side by side.

ALTCHA
Postcode
Website altcha.org github.com
Pricing
Open source Free
—
Platforms
Web REST API
—
Listed in
Security & Privacy SPAM Protection Anti-Spam Captcha SPAM API +2
Productivity Developer Tools GitHub APIs API Tools +2

About ALTCHA and Postcode

In their own words, as submitted to SaaSHub.

ALTCHA
Postcode

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...

Read more about ALTCHA

No description of Postcode yet.

Features and specs

What each product offers, as listed by its team.

ALTCHA 9 features
Postcode 4 features
  • Privacy-friendly, GDPR compliant
    No cookies, no tracking, no external servers.
  • Frustration-free
    No visual puzzles. PoW Captcha is better for people.
  • Spam Filtering
    Employs machine learning to categorize submitted data and identify unwanted messages.
  • Open-source
    Free to use, free to modify. MIT licensed.
  • End-to-End Encryption
    The Encryption Shield mitigates data breaches by encrypting data with asymmetric end-to-end encryption.
  • Digital e-Signatures
    e-Signatures made easy with eIDAS-compliant simple and advanced signatures - qualified digital certificates and DigiDoc.
  • Visual Form Builder
    Create custom forms effortlessly with the visual form builder, empowering users to design tailored solutions without any coding expertise.
  • File Attachments
    Safely request and securely store file attachments with end-to-end encryption, ensuring the utmost protection for your data.
  • Send to Email or Webhook
    Configure forms to seamlessly send data to email, APIs, or webhooks using processors, facilitating efficient data handling and integration with your workflows.
  • Open Source Accessibility
    Being open-source, the Postcode project on GitHub allows developers to access, modify, and contribute to the code, fostering community collaboration and rapid evolution.
  • Community Support
    The platform benefits from community support where developers can engage with each other through issues, pull requests, and discussions to resolve bugs and enhance features.
  • Transparency
    Users can review the source code to understand exactly how it processes data, which can lead to improved trust and security awareness.
  • Customizability
    Developers can adapt the Postcode project to meet their specific needs by modifying the code to add new features or optimize performance.

Possible disadvantages

  • Lack of Official Support
    As an open-source project, it may not have official customer support, requiring users to rely on community assistance which may not be timely or comprehensive.
  • Variable Quality of Contributions
    The code quality may vary due to changes being made by contributors with different levels of expertise and coding styles.
  • Maintenance and Updates
    The project may experience irregular updates, and bug fixes might depend on volunteer contributions, which could impact the reliability of using the software for critical applications.
  • Learning Curve
    New users or contributors might face a learning curve understanding the existing codebase, especially if documentation is lacking or incomplete.

Videos

Walkthroughs and reviews on video.

ALTCHA 0 videos + Add
Postcode 3 videos + Add

No ALTCHA videos yet. You could help us improve this page by suggesting one.

Is Postcode Lottery a Scam❓

More videos

  • - Postcode Meaning
  • - What is billing postcode?

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
ALTCHA
Postcode
100% 100%
SPAM Protection
0% 0%
0% 0%
Productivity
100% 100%
100% 100%
Captcha
0% 0%
0% 0%
Developer Tools
100% 100%

Questions & Answers

As answered by people managing ALTCHA and Postcode.

What makes your product unique?

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.

Why should a person choose your product over its competitors?

ALTCHA's answer

Here are some key reasons why a person should choose ALTCHA over its competitors:

  • Privacy compliance - ALTCHA is fully compliant with privacy regulations like GDPR since it does not use cookies, fingerprinting or track users. This is a major advantage over other captcha solutions.
  • Open source and self-hosted - ALTCHA is free, open source software that can be self-hosted without relying on external services. This gives more control and independence to the user.
  • Accessible design - ALTCHA uses a proof-of-work mechanism instead of puzzles or captchas, making it more friendly and accessible for humans. Captchas can be difficult for some users.
  • Machine compatibility - ALTCHA is designed to also work for machines and APIs, making services accessible for bots and automated systems. Other solutions may not be as compatible.
  • Modern approach - ALTCHA represents a privacy-first, inclusive approach to spam protection as opposed to traditional captcha methods. This future-proofs the solution.
  • Effective spam filtering - In addition to proof-of-work, ALTCHA also offers an effective spam filter module to block sophisticated spam attacks. This provides comprehensive protection.

So in summary, ALTCHA's privacy compliance, open design, accessibility, machine compatibility and modern approach give it clear advantages over competing captcha solutions.

Which are the primary technologies used for building your product?

ALTCHA's answer

JavaScript and Svelte.

How would you describe the primary audience of your product?

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.

User comments

Share your experience with using ALTCHA and Postcode. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

ALTCHA 4 mentions
Postcode 0 mentions
  • Self-Hosted Proof of Work with ALTCHA: A Turnstile Alternative for Magento
    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 23 hours ago
  • A self-hosted Google reCAPTCHA alternative (we ship it)
    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
  • Why Proof-of-Work Beats CAPTCHA for Form Protection
    Here's how PoW works for form protection (using the ALTCHA wire format):. - Source: dev.to / 6 months ago

View more

Tracking Postcode since Jun 2021.

Alternatives to ALTCHA and Postcode

When comparing ALTCHA and Postcode, you can also consider the following products.

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