Features a highly visual curated directory of AI products, focusing less on developer model pricing metrics.
Features a highly visual curated directory of AI products, focusing less on developer model pricing metrics.
CalcForge records 31,360 monthly visits with -4.8% month-over-month growth and Free, Paid pricing. Stork records 201,544 monthly visits with +2.3% growth and Free pricing.
Open-source engineering calculators for civil and structural design
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | calcforge.com | stork.ai |
| Pricing Model | Free, Paid | Free |
| Monthly Visits | 31.36K (31,360) | 201.54K (201,544) |
| MoM Traffic Delta | -1.56K (-4.8%) | +4.51K (+2.3%) |
| Primary Market & Share | 🇮🇳 India (16.1%) | 🇺🇸 United States (10.5%) |
| Direct Visits / mo | 12.46K | 47.94K |
| User Rating | 4.3 | 4 |
| 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.

AI 工具目录、深度评测与每日 AI 新闻
A searchable catalog organised by categories like Create, Automate, Analyze, Build, Verticals, Integrations, Deploy and Trust, with reviewed tools and alternatives.
A daily front page covering model releases, funding, industry shifts and product news, with a condensed TL;DR and full editions.
A running board of current API prices across providers such as OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek and others.
Stork Pro tracks what ChatGPT, Claude, Perplexity, Gemini, Grok and Google answer in your category and which pages they cite.
Features a highly visual curated directory of AI products, focusing less on developer model pricing metrics.
Features a highly visual curated directory of AI products, focusing less on developer model pricing metrics.
Offers a larger searchable directory of third-party AI software, but lacks integrated model pricing trackers.
Offers a larger searchable directory of third-party AI software, but lacks integrated model pricing trackers.
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

SpecialistTracks API pricing and model specifications, but omits general software directories and daily market news.
SpecialistTracks API pricing and model specifications, but omits general software directories and daily market news.

SpecialistFocuses specifically on ready-made AI agents and starter kits rather than general software directories.
SpecialistFocuses specifically on ready-made AI agents and starter kits rather than general software directories.
Free / Open-sourceFree open course for prompt engineering and AI security
Free / Open-sourceFree open course for prompt engineering and AI security

Includes beginner-friendly tutorials alongside curated AI tools, but lacks dedicated API pricing trackers.
Includes beginner-friendly tutorials alongside curated AI tools, but lacks dedicated API pricing trackers.

The global AI ecosystem database, published in about 100 languages
The global AI ecosystem database, published in about 100 languages

Provides structured categorization of AI productivity software, though with fewer daily editorial news updates.
Provides structured categorization of AI productivity software, though with fewer daily editorial news updates.

SpecialistDelivers dedicated digital journalism on artificial intelligence developments, but omits tool directory listings.
SpecialistDelivers dedicated digital journalism on artificial intelligence developments, but omits tool directory listings.

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