CalcForge records 31,360 monthly visits with -4.8% month-over-month growth and Free, Paid pricing. Zapier records 5,065,248 monthly visits with +0.4% growth and Freemium, Free Trial, Paid pricing.
Open-source engineering calculators for civil and structural design
Automate work across thousands of apps — no code required
| Dimension / Metric | | |
|---|---|---|
| Official Domain | calcforge.com | zapier.com |
| Pricing Model | Free, Paid | Freemium, Free Trial, Paid |
| Monthly Visits | 31.36K (31,360) | 5.07M (5,065,248) |
| MoM Traffic Delta | -1.56K (-4.8%) | +22.46K (+0.4%) |
| Primary Market & Share | 🇮🇳 India (16.1%) | 🇺🇸 United States (39.5%) |
| Direct Visits / mo | 12.46K | 2.23M |
| User Rating | 4.3 | 4.7 |
| 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.
Automate work across thousands of apps — no code required
Connect thousands of apps with a visual editor, using both point-and-click logic and natural language to define each step.
Connect AI tools such as Claude, ChatGPT and Cursor to your apps so they can read data and take real action.
Create AI assistants that answer questions and complete multi-step tasks across your connected systems.
Store structured data your workflows can read and update, keeping records in sync across tools.
Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
SpecialistVisual builder tailored specifically for custom AI agents, but less versatile for standard non-AI data synchronization tasks.
SpecialistVisual builder tailored specifically for custom AI agents, but less versatile for standard non-AI data synchronization tasks.
SpecialistBuild GTM systems that turn data into revenue
SpecialistAI-powered workspace generating automated workflows from prompts, but less focused on deep multi-system data synchronization.
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Advanced no-code AI agent platform for complex web scraping and workflows, but less suited for basic app-to-app integrations.
Advanced no-code AI agent platform for complex web scraping and workflows, but less suited for basic app-to-app integrations.
Secure enterprise automation platform built for complex workflows, but lacks Zapier's vast library of consumer app integrations.
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Free / Open-sourceOpen-source AI automation platform with intuitive visual flow builders, but supports fewer prebuilt third-party app connectors.
Free / Open-sourceOpen-source AI automation platform with intuitive visual flow builders, but supports fewer prebuilt third-party app connectors.
Free / Open-sourceFree practical deep learning courses, research and open-source libraries
Free / Open-sourceOpen-source database of AI models, prices and capabilities
Free / Open-sourceOpen-source database of AI models, prices and capabilities
SpecialistSpecialized no-code platform for multi-agent workforces, but more complex to set up for simple linear triggers.
SpecialistSpecialized no-code platform for multi-agent workforces, but more complex to set up for simple linear triggers.
SpecialistNo-code AI agents and chatbots for marketing, SEO and support
SpecialistNo-code AI agents and chatbots for marketing, SEO and support
