Best data annotation for open-source projects tools in 2025

Data annotation for diverse business needs and projects.
Paid
+ from $6,600/y
open

Library for training models in reinforcement learning and decision-making.
Free
+ from $4.00/m
open

Central hub for streamlined product management and team collaboration.
Free
+ from $14.90/m
open

Collaborative system for automating tasks and managing data.
No pricing info
open

Customizable AI developers for continuous software delivery.
Free trial
open

Project tracking ecosystem for agencies to monitor costs effectively.
Free trial
+ from $49/m
open

Cloud-based infrastructure for efficient AI model training and deployment.
Paid
+ from $1.19/hr
open

Streamlined management for machine learning projects.
No pricing info
open

Streamlined build process for multiple programming languages.
No pricing info
open

Integrated solution for AI model management and deployment.
Free
+ from $15/m
open
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