
Scrimba
Data Protocol
GoIT LMS
Codelita
CodeCrafters
Codecademy
Divize
The most fun way to learn to code.

ZeroPhantom
Warmbox.ai
Apollo.io
Mailjet
File Converter
Instantly.ai
SaaS AI Tools
Open-Source AI SDR Agent that turns Google Maps into qualified leads. Self-hosted, MIT licensed, automates lead generation, contact enrichment, and cold email outreach.

Which is more popular?
Based on our record, Codédex seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codedex.io | gtm-zero.com |
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| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Codédex yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codédex and ZeroGTM.
ZeroGTM's answer:
If the person want to take over his data and cost
ZeroGTM's answer:
Go to market engineers and lead gen agencies
ZeroGTM's answer:
The Go to market engineers could self host the solution and ditch the saas subscriptions
Share your experience with using Codédex and ZeroGTM. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I'm a new coder too. What helps me is finding a good place to learn the most basic principles and having 2-5 things I want to do. I started with codedex.io , learning Python and HTML and then took their courses and moved on looking for... Source: over 3 years ago
I think you should focus on HTML, CSS, and JS, starting with HTML. I just started HTML on a website called codedex.io. Pretty cool so far but I feel like I'm getting into a brand new thing haha. Source: over 3 years ago
I've been learning Python on a website called codedex.io for about 6 months. It's been great for me so far. I just started on Classes and Objects. Give them a try, you might like them. Source: over 3 years ago
Tracking ZeroGTM since Feb 2026.
When comparing Codédex and ZeroGTM, you can also consider the following products.

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Empowering emerging markets with high-quality tech education
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Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
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