Skip to content
store
Captioner

Open source alternatives to Captioner

200 open source apps like Captioner, closest match first.

More like Captioner

101
P

Portkey

Full-stack LLMOps platform to monitor, manage, and improve LLM-based apps

Launch
102
C

Code Hike

Use Markdown and React to build rich content websites

Launch
103
A

Agenta

Open-source LLMOps platform for prompt management, LLM evaluation

Launch
104
N

Nango

Open-source product integrations for 100+ APIs

Launch
105
S

Subreddit Finder

Write your Reddit post here and let machine learning suggest suitable subreddits

Launch
106
A

Anuma AI

Anuma brings all your AI in one place. One memory. Every model. Always private

Launch
107
M

Manifest

A complete backend in a single YAML file

Launch
108
H

Helicone AI

The open-source LLM observability for developers

Launch
109
I

Inngest

Durable Execution for Workflows & AI

Launch
110
X

xAI

Company → News · API docs · API console · GitHub

Launch
111
S

Swirl Search

AI-powered search and RAG platform

Launch
112
C

Crawl4AI

Open-source web crawler and scraper

Launch
113
O

OpenPets

Desktop pets for AI coding agents. Connect via MCP, and see live coding status

Launch
114
P

PikaTorrent

Torrent app

Launch
115
H

Hermes Agent

Cross-platform desktop agent from Nous Research

Launch
116
I

Invidious

Open source front-end for YouTube

Launch
117
R

Roomote

Source-available, self-hosted AI coding agent

Launch
118
B

BudiBase

Agents, Workflows & Internal Tools Made Easy

Launch
119
S

SeekStorm

Cloud search API and crawler service supporting billions of documents

Launch
120
A

Automa

No-code platform for building AI agents and RPA workflows

Launch
121
D

Draftbit

Visually design and build mobile apps directly from your browser

Launch
122
D

Dify

Open-source LLM app development platform

Launch
123
M

Mage AI

AI Data Engineering & Pipeline Automation

Launch
124
B

Browser Operator

Privacy-focused AI browser with intelligent agents

Launch
125
W

WriteText.ai for Magento

From keyword analysis to published content, every product page optimized

Launch
126
U

Usertour

Open-source platform for building interactive product tours, tooltips

Launch
127
T

Typemill

Create manuals, documentation, and websites

Launch
128
L

LogChimp

Collect, organize, and prioritize user feedback to build better products

Launch
129
C

cptn.io

Open Source Integration and Data Platform

Launch
130
R

Readeck

Personal content hub for saving articles, videos, and images

Launch
131
P

Proxed AI

A secure proxy service that protects AI API keys

Launch
132
F

FameClaw

Open-source YouTube creator outreach tool

Launch
133
L

Langfuse

Trace, evaluate, and improve AI agents with one open platform

Launch
134
R

removerized

Free, open-source AI toolkit to remove backgrounds, upscale

Launch
135
C

Compress

Compress Videos for Free

Launch
136
G

Grida

Design and build web applications on an open canvas

Launch
137
M

Mixpost

Create, schedule, and manage social media content from your own server

Launch
138
N

Novel

Notion-style WYSIWYG editor with AI-powered autocompletions

Launch
139
A

Autumn

Simplify Stripe integration for AI startups with 3 functions, 0 webhooks

Launch
140
L

LibreChat

LibreChat is a free and open-source chat interface for assistant AIs

Launch
141
A

Anarlog

Records system audio without joining your call

Launch
142
Q

qiip.me

Free UTM Builder, QR Generator & URL Tools

Launch
143
F

Faceless Reels

Turn any topic into a finished faceless vertical video

Launch
144
H

Horay.ai

Unlock your AI Creativity with Horay.ai’s Blazing Fast

Launch
145
P

Pipeless - Computer Vision Framework

Easily create and deploy computer vision applications in minutes

Launch
146
N

Nightingale

AI-powered karaoke software that separates vocals from any song

Launch
147
A

Activepieces

Chat, agents, flows, tables

Launch
148
M

Maxun

Turn any website into structured data

Launch
149
T

Tolgee

Translate your app

Launch
150
S

ShipShipShip

Self-hostable changelog and roadmap platform

Launch