CalcForge records 31,360 monthly visits with -4.8% month-over-month growth and Free, Paid pricing. Skillry records 535,817 monthly visits with +1,762.1% growth and Freemium pricing.
Open-source engineering calculators for civil and structural design
Agent Skills that give your coding agent real design taste
| Dimension / Metric | | |
|---|---|---|
| Official Domain | calcforge.com | skillry.dev |
| Pricing Model | Free, Paid | Freemium |
| Monthly Visits | 31.36K (31,360) | 535.82K (535,817) |
| MoM Traffic Delta | -1.56K (-4.8%) | +507.04K (+1,762.1%) |
| Primary Market & Share | 🇮🇳 India (16.1%) | 🇺🇸 United States (17%) |
| Direct Visits / mo | 12.46K | 242.88K |
| User Rating | 4.3 | 4.5 |
| 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.
Agent Skills that give your coding agent real design taste
Every Skill is designed, written and tested by the Skillry team, with templates and scripts built from a finished piece of work.
Skills cover web pages, slide decks, images, video and reports, so your agent can produce a range of assets.
Install and run Skills inside Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI and more.
Each Skill page shows a real result it generated, so you can judge the visual style before adding it.
SpecialistSupplies landing page design inspiration and prompts, focusing more on visual website layouts than code-ready agent skills.
SpecialistSupplies landing page design inspiration and prompts, focusing more on visual website layouts than code-ready agent skills.
SpecialistInstalls directly as a design skill pack to enforce UI rules, whereas Skillry acts as a broader discovery library.
SpecialistInstalls directly as a design skill pack to enforce UI rules, whereas Skillry acts as a broader discovery library.
Free / Open-sourceBroader community catalog of open-source agent SKILL.md files, but less focused specifically on design system templates.
Free / Open-sourceBroader community catalog of open-source agent SKILL.md files, but less focused specifically on design system templates.
Free / Open-sourceFree practical deep learning courses, research and open-source libraries
Free / Open-sourceOffers an open Markdown convention to guide AI coding assistants, but functions as a standard format rather than a curated library.
Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceFree open course for prompt engineering and AI security
Free / Open-sourceFree open course for prompt engineering and AI security
SpecialistA hand-picked directory of design engineering resources, tools and inspiration
SpecialistA hand-picked directory of design engineering resources, tools and inspiration
Covers a wider range of Cursor plugins and MCP servers, but lacks Skillry's dedicated focus on agent skill files.
Covers a wider range of Cursor plugins and MCP servers, but lacks Skillry's dedicated focus on agent skill files.
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
