
AppWrite
Supabase
Firebase
Clerk
PocketBase.io
Convex.dev
PropelAuth
Xano
ALTCHA
reCAPTCHA
hCaptcha
Cloudflare Turnstile
Private Captcha
mosparo
Akismet
GeeTest CAPTCHA
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 compliant with GDPR.
AppWrite
ALTCHAAppWrite is recommended for developers building applications who require a scalable backend solution without the overhead of managing infrastructure. It is particularly suited for developers who prefer open-source platforms and those who want to avoid vendor lock-in. AppWrite's features make it a good fit for startups, hobby projects, and even educational purposes where full control over the backend is desirable.
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.
I've use it instead of Firebase on a 15$ DigitalOcean droplet and saved around ~$150 a month. Managing my own infra does take some extra time, but definitely worth it. The APIs and SDK are also surprisingly much easier to consume than Firebase. Waiting for the cloud version.
Based on our record, AppWrite seems to be a lot more popular than ALTCHA. While we know about 178 links to AppWrite, we've tracked only 3 mentions of ALTCHA. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Initially, I was using the Supabase free tier, but I was hitting the limits, and my app was becoming stale. Then I switched to Appwrite. Both are totally different; one is SQL, while the latter one is NoSQL. Although use node-appwrite package to skip the manual schema add-ons. - Source: dev.to / 6 months ago
Appwrite is an open-source platform that simplifies backend setup by providing authentication, databases, storage, functions, and hosting all in one place. - Source: dev.to / 8 months ago
I love Appwrite. My first hackathon was actually from Appwrite (using Appwrite) 2 years ago, and I've been using it ever since. - Source: dev.to / 12 months ago
Appwrite | Remote | Platform Engineers, AI, Interns | https://www.appwrite.careers Appwrite (https://appwrite.io) is an open-source backend platform that helps developers build secure web and mobile apps faster. Weโre hiring engineers across multiple teams to improve infrastructure, expand developer tooling, and scale our platform. Open roles: โ Platform Engineer. - Source: Hacker News / about 1 year ago
Appwrite is a backend-as-a-service platform that provides authentication, storage, and database. Appwrite is used for authentication and storage. - Source: dev.to / about 1 year 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 / about 2 months ago
Here's how PoW works for form protection (using the ALTCHA wire format):. - Source: dev.to / 3 months ago
Go based, similar to JS based ALTCHA https://altcha.org/ discussed at https://news.ycombinator.com/item?id=43971068. - Source: Hacker News / 7 months ago
Supabase - An open source Firebase alternative
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
hCaptcha - 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.
Clerk - Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.
Cloudflare Turnstile - Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors.