
Crowdsourcing data services for AI training and market data
CalcForge records 31,360 monthly visits with -4.8% month-over-month growth and Free, Paid pricing. LAION records 18,486 monthly visits with -24.1% growth and Free pricing.

Open AI research for everyone — datasets, models and tools, free for all
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | calcforge.com | laion.ai |
| Pricing Model | Free, Paid | Free |
| Monthly Visits | 31.36K (31,360) | 18.49K (18,486) |
| MoM Traffic Delta | -1.56K (-4.8%) | -5.89K (-24.1%) |
| Primary Market & Share | 🇮🇳 India (16.1%) | 🇺🇸 United States (42.8%) |
| Direct Visits / mo | 12.46K | 5.21K |
| User Rating | 4.3 | 4.8 |
| Supported Platforms | Website | Website |
Open-source engineering calculators for civil and structural design
Structural, geotechnical, tunnelling and contractor tools available free and open source on GitHub.
Searchable construction datasets covering high-rise buildings, bridges, tunnels, dams and housing.
Registered users get calculation workings, bending/shear/deflection diagrams and PDF export.
Four project-based pathways in Python, AI for construction, AI governance and building AI agents.

Open AI research for everyone — datasets, models and tools, free for all
Re-LAION-5B offers about 5.5 billion image–text link pairs, and LAION-BVD adds a 10-million-hour open video corpus for vision-language, audio-language and video research.
Scalable, openly licensed implementations plus pretrained weights for contrastive language–image training, so teams can reproduce or fine-tune CLIP-style models themselves.
Training code, evaluation utilities, papers and documentation are released alongside results, letting researchers compare datasets and checkpoints on equal footing.
Open-sci-ref publishes open baselines and intermediate checkpoints for comparing training datasets and language-model quality.

Crowdsourcing data services for AI training and market data
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceFree practical deep learning courses, research and open-source libraries

Expert human data and evaluation for training frontier AI

Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceOpen-source database of AI models, prices and capabilities

Try experimental AI research demos straight from Meta's labs
Free / Open-sourceFree open course for prompt engineering and AI security
Free / Open-sourceFree open course for prompt engineering and AI security

SpecialistIndependently scored open-source alternatives to paid SaaS
SpecialistIndependently scored open-source alternatives to paid SaaS

Courses and best practices for building AI-powered products end to end
Courses and best practices for building AI-powered products end to end
The bug bounty platform built for AI and ML security
The bug bounty platform built for AI and ML security

Learn AI by building, with a global community of makers
Learn AI by building, with a global community of makers

An industry non-profit advancing the safety and security of frontier AI models
An industry non-profit advancing the safety and security of frontier AI models