CalcForge records 31,360 monthly visits with -4.8% month-over-month growth and Free, Paid pricing. LabLab.ai records 431,529 monthly visits with -39.7% growth and Free pricing.
Open-source engineering calculators for civil and structural design
Free AI hackathons and a global community for AI builders
| Dimension / Metric | | |
|---|---|---|
| Official Domain | calcforge.com | lablab.ai |
| Pricing Model | Free, Paid | Free |
| Monthly Visits | 31.36K (31,360) | 431.53K (431,529) |
| MoM Traffic Delta | -1.56K (-4.8%) | -283.98K (-39.7%) |
| Primary Market & Share | 🇮🇳 India (16.1%) | 🇺🇸 United States (12.3%) |
| Direct Visits / mo | 12.46K | 202.26K |
| User Rating | 4.3 | 4.3 |
| 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.
Free AI hackathons and a global community for AI builders
Browse live, upcoming and finished hackathons from companies like AMD, IBM, Vultr, AssemblyAI and BAND, with prize pools, timelines and host details listed.
Get insights, boilerplates and one-to-one help from mentors via Discord and Twitch, with in-event interviews and scheduled talks.
A shared place to publish prototypes, follow peers and see how other teams approached the same AI stack or sponsor technology.
Events finish with streamed team pitches, giving founders a live audience of judges, mentors and thousands of other participants.
World-class AI engineering courses and professional certificates, but offers fewer rapid hackathons and community prototyping events.
World-class AI engineering courses and professional certificates, but offers fewer rapid hackathons and community prototyping events.
SpecialistThe top AI news and how to apply it, in five minutes a day
SpecialistThe top AI news and how to apply it, in five minutes a day
Official OpenAI learning hub with structured courses and live events, but lacks the multi-vendor hackathon focus of LabLab.ai.
Official OpenAI learning hub with structured courses and live events, but lacks the multi-vendor hackathon focus of LabLab.ai.
SpecialistSearch and study millions of public SKILL.md agent skills
SpecialistSearch and study millions of public SKILL.md agent skills
Free / Open-sourceRenowned free deep learning courses and PyTorch resources, but focuses on academic depth rather than rapid prototyping hackathons.
Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceComprehensive open educational guides on prompt engineering, but does not host collaborative AI hackathons or build challenges.
Free / Open-sourceComprehensive open educational guides on prompt engineering, but does not host collaborative AI hackathons or build challenges.
Free / Open-sourceMassive open community for data science and AI practitioners, but lacks structured hackathon events and rapid prototyping challenges.
Free / Open-sourceMassive open community for data science and AI practitioners, but lacks structured hackathon events and rapid prototyping challenges.
SpecialistCommunity plugin, rule, and MCP server hub for Cursor
SpecialistCommunity plugin, rule, and MCP server hub for Cursor
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
