
Atlas.co
Mapbox Studio
Mapbox
Google Maps
OpenStreetMap
Mapme
uMap
Felt lets you create maps collaboratively, using world-class data, and share them in a single click. For team projects or epic adventure with friends.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Which is more popular?
Based on our record, Felt seems to be more popular. It has been mentioned 28 times since March 2021.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Felt App Review YouTube
More videos
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Felt and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using Felt and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I work on geospatial apps and the software I think I am most excited about is https://felt.com/. I want to seem them expand their tooling such that maps and data source authentication/authorization was controllable by the developer, to... - Source: Hacker News / over 1 year ago
Felt | Senior Infrastructure Engineer, Growth Product Manager | Oakland, CA or REMOTE (US only) | Full Time | https://felt.com Felt is building a cloud-based geographic information systems (GIS) solution and have hundreds of customers... - Source: Hacker News / over 1 year ago
How does this compare to Felt [1]? It would be nice to have some plans with listed prices in between "Free" and "Enterprise" ("book a demo"). For comparison, Felt has $30/mo and $90/mo plans. Calling yourselves "the new standard for GIS... - Source: Hacker News / over 2 years ago
Tracking Diffyn since Jun 2025.
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