
Offers vastly more powerful database and project management features, but is less visually polished for simple note-taking.
CalcForge records 31,360 monthly visits with -4.8% month-over-month growth and Free, Paid pricing. Craft records 703,417 monthly visits with +8.9% growth and Freemium pricing.
Open-source engineering calculators for civil and structural design
| Dimension / Metric | ||
|---|---|---|
| Official Domain | calcforge.com | craft.do |
| Pricing Model | Free, Paid | Freemium |
| Monthly Visits | 31.36K (31,360) | 703.42K (703,417) |
| MoM Traffic Delta | -1.56K (-4.8%) | +57.54K (+8.9%) |
| Primary Market & Share | 🇮🇳 India (16.1%) | 🇺🇸 United States (21.2%) |
| Direct Visits / mo | 12.46K | 368.32K |
| User Rating | 4.3 | 4.6 |
| 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.
A polished space for notes, tasks, and documents that follows you across every device.
Embed tasks directly inside documents and pair them with a calendar view so planning and execution stay connected.
Choose the structure that matches your thinking — separate work and personal spaces, nested folders, tags, or database-style collections.
Draft, refine, rewrite and summarize content without leaving the document.
Apps for iPhone, iPad, Mac, Vision Pro, Windows and Android with local access when you're offline.

Offers vastly more powerful database and project management features, but is less visually polished for simple note-taking.

SpecialistHandwritten notes, PDF markup, and AI study tools on one canvas
SpecialistHandwritten notes, PDF markup, and AI study tools on one canvas

SpecialistAn extendable launcher that puts your tools, AI, and automations one keystroke away
SpecialistAn extendable launcher that puts your tools, AI, and automations one keystroke away

SpecialistAutomates task scheduling and calendar management with AI, but lacks Craft's elegant document and note-taking canvas.
SpecialistAutomates task scheduling and calendar management with AI, but lacks Craft's elegant document and note-taking canvas.
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceSearch and study millions of public SKILL.md agent skills

Organizes notes into connected typed objects rather than traditional pages, offering a different but structured knowledge system.
Organizes notes into connected typed objects rather than traditional pages, offering a different but structured knowledge system.

Combines documents and relational tables with powerful automation, but has a steeper learning curve than Craft's clean UI.
Combines documents and relational tables with powerful automation, but has a steeper learning curve than Craft's clean UI.
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

SpecialistADHD-friendly AI assistant for notes, email and tasks
SpecialistADHD-friendly AI assistant for notes, email and tasks

SpecialistTasks, calendar and an AI sidekick in one time-blocking planner
SpecialistTasks, calendar and an AI sidekick in one time-blocking planner

Unifies files, notes, and search into an AI cloud drive, but lacks Craft's structured page-and-block document hierarchy.
Unifies files, notes, and search into an AI cloud drive, but lacks Craft's structured page-and-block document hierarchy.