Launches
Coming soon
Upcoming launches to watch
Launch archive
Most-loved launches by the community
Launch Guide
Checklists and pro tips for launching
Products
News
Newsletter
The best of Product Hunt, every day
Stories
Tech news, interviews, and tips from makers
Changelog
New Product Hunt features and releases
Forums
Forums
Ask questions, find support, and connect
Streaks
The most active community members
Events
Meet others online and in-person
Advertise
Subscribe
Sign in
Subscribe
Sign in
Best Castly Alternatives (2025) | Product Hunt
Castly
Transform Ideas into Content, with AI Supercharge
5.0
•
2 reviews
•
98 followers
Transform Ideas into Content, with AI Supercharge
5.0
•
2 reviews
•
98 followers
Visit website
Note and writing apps
•
Blogging platforms
•
AI Chatbots
Castly is your learning and writing companion, supercharged with AI!
Overview
Launches
1
Reviews
2
Alternatives
Team
More
Blog
•
Newsletter
•
Questions
•
Forums
•
Product Categories
•
Apps
•
About
•
FAQ
•
Terms
•
Privacy and Cookies
•
X.com
•
Facebook
•
Instagram
•
LinkedIn
•
YouTube
•
Advertise
© 2025 Product Hunt
Social
X
Castly Alternatives
p/claude
by
Rohan Chaubey
Featured
•
1yr ago
AI Showdown: Gemini vs. ChatGPT vs. Claude - Who wins for what?
41
Show more forum threads
Alternative Products
Most relevant
tech
(22)
writing assistants
(32)
llms
(13)
ai-generated summaries
(15)
bots
(11)
ai content generation
(30)
saas
(19)
android
(5)
notes & documents
(37)
pdf editor
(5)
productivity
(61)
api
(4)
analytics
(1)
marketing
(25)
education
(6)
Maika AI
Your AI Assistant: Supercharge work, free your mind
4.9
(13 reviews)
Note and writing apps
•
Keyword research tools
•
AI Chatbots
•
Writing assistants
•
AI Content Detection
ai content generation
productivity
tech
notes & documents
writing assistants
Unfollow
Following
Follow
ChatGPT by OpenAI
Get answers. Find inspiration. Be more productive.
4.8
(1.2K reviews)
AI
•
LLMs
•
AI Chatbots
android
productivity
api
bots
tech
Unfollow
Following
Follow
Claude by Anthropic
A family of foundational AI models
4.9
(590 reviews)
LLMs
•
AI Chatbots
android
productivity
api
analytics
education
Unfollow
Following
Follow
ContentOwl.ai - AI-Powered Content
Your Ideas + Our Magic = Outstanding Content
5.0
(1 review)
Note and writing apps
•
Blogging platforms
•
LLMs
productivity
notes & documents
llms
Unfollow
Following
Follow
ChatPDF
Chat with any PDF - Your PDF AI to ask your PDF anything
4.3
(31 reviews)
Note and writing apps
•
PDF Editor
•
AI Chatbots
ai-generated summaries
productivity
tech
notes & documents
pdf editor
Unfollow
Following
Follow
See more alternatives
Forums
p/claude
by
Rohan Chaubey
Featured
•
1yr ago
AI Showdown: Gemini vs. ChatGPT vs. Claude - Who wins for what?
41
Show more forum threads
