Topic

Tools for engineering simulation and CAD · Free

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Watching this group for 23 days, checked once a day · how we check

Bendline

LiveWatched 11d

Unfolds a 3D sheet-metal STEP file into a cut-ready DXF with cut and bend lines separated, directly in the browser.

FreeNothing to install
What to know
How it works
upload a STEP part, browser unfolds it to DXF layers
Pricing
preview free, pay only to download
Best for
sheet-metal fabricators without a CAD license
Details →

FinSim

LiveWatched 19d

A personal finance simulator showing side by side how kids, debt and your retirement timeline affect long-term wealth. A free consumer app, not a professional financial-planning tool.

Watch out · Built by a solo developer in SwiftUI — a personal modeling tool, not licensed financial advice.

FreeNo ads
What to know
How it works
Shows two side-by-side scenarios modeling how debt payoff timelines, child costs (using real county-level NDCP childcare data), and retirement timing interact, with a financial-independence age based on the 4% rule that updates in real time as you adjust inputs.
What's different
Compares two scenarios side by side rather than showing a single projection like most financial simulators.
Pricing
Free, no ads, no purchases.
Best for
People trying to see how having kids, carrying debt, or retirement timing would change their long-term wealth.
Watch out
Built by a solo developer in SwiftUI — a personal modeling tool, not licensed financial advice.
Details →

Rehearse

LiveWatched 10d

Tool that converts screen-recording videos of a workflow into interactive click-by-click practice exercises for training staff, with usage evidence exports.

FreeWorks offlineCan export my data
What to know
How it works
turns an MP4 recording into offline browser-based practice, tracks anonymous baseline/follow-up rounds, exports CSV/report
Pricing
public demo free, $1,500 Founding Pilot for 3 workflows/50 learners/30-day cycle
Details →

A browser-based tool for designing and visualizing 3D packaging mockups from flat pouch dielines.

FreeNothing to install
What to know
How it works
A browser-based 3D packaging mockup tool that turns flat pouch dielines into photorealistic packaging visuals.
Best for
Sustainable brands, designers, and e-commerce teams.
Details →

BitForBytes

LiveWatched 18d

A free browser-based hardware engineering platform for students to learn digital logic design and simulation without installing software or buying license keys.

Free
What to know
How it works
Synthesizes code into gate-level circuit topologies and traces signal propagation in a browser tab.
Pricing
Free.
Best for
Students learning digital design who don't have access to paid EDA software.
Details →

GuideFin

LiveWatched 18d

An ad-free retirement and wealth planning app for Indian investors that runs Monte Carlo simulations against real market data instead of simple straight-line calculators.

FreeNo ads
What to know
How it works
Runs 1,000-iteration Monte Carlo simulations on real Nifty data, stress-tests retirement against 6 historical crises, and models tax-aware 3-bucket withdrawals, plus goal planning, mutual-fund Manager Skill Scores, NPS analysis, and 16+ calculators.
Pricing
No ads, no referrals; free Guest Mode needs no email.
Details →

CadPeek

LiveWatched 22d

Opens, measures and marks up DWG/DXF CAD files in the browser without installing AutoCAD; parsing happens locally so files aren't uploaded. Aimed at contractors and reviewers, not software developers.

FreeNothing to installWorks offline
What to know
How it works
Opens DWG and DXF CAD files directly in the browser without AutoCAD, letting you view layers, search labels, measure distances, mark up issues, convert between DWG/DXF/PDF, and share view-only links. Supports DWG formats from R12 through 2024.
What's different
Parses files locally in the browser by default rather than uploading them to a server, and requires no AutoCAD license or install.
Pricing
Free.
Best for
Contractors, engineers, and reviewers who need to view or mark up CAD drawings without owning AutoCAD.
Details →

PartFit 3D

LiveFirst seen today
FreeNothing to installData stays with you
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UpTools

LiveWatched 6d

Free currency converter with live interbank mid-market rates across 20+ currencies, plus a customizable fee input to simulate real bank/card spreads.

Free
Details →

RoboSim Tools

LiveWatched 2d
FreeNothing to install
Details →