Transfer files cross-platform, no setup, no signup
Platforms: Web app (installable)
shares #indie #cross-platform · PairDrop alternatives →
✓ Links checked Sep 2026View →
9 best Free TestMace alternatives
Tools similar to TestMace (Your IDE for working with an API): 19 listed tools match TestMace by shared tags — two or more shared tags (exact or near-synonym, weighted by tag position and rarity), or one strong shared topic tag plus the same category or pricing; ranked by shared-tag weight (rarer tags count more, same category adds a bonus), then same pricing; the first 12 of 19 matches are shown (8 of 77 Dev Tools tools and 4 tools from other categories). No votes, no paid placement. 9 of them are labeled Free.
Closest match by shared tags: PairDrop — shares #indie #cross-platform. Next: Automate the Boring Stuff with Python, Playwright, JS Visualizer 9000.
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Automate the Boring Stuff with Python
automatetheboringstuff.com
Learn Python by automating everyday tasks
shares #indie #automation · Automate the Boring Stuff with Python alternatives →
✓ Links checked Sep 2026View →
Playwright
playwright.dev
Reliable end-to-end testing across Chromium, Firefox and WebKit
#e2e-testing ≈ #api-testing, #browser-automation ≈ #automation · also Dev Tools · Playwright alternatives →
✓ Links checked Sep 2026View →
JS Visualizer 9000
www.jsv9000.app
Visualize JavaScript execution step by step
shares #indie · also Dev Tools · JS Visualizer 9000 alternatives →
✓ Links checked Sep 2026View →
Make Bookmarklets
make-bookmarklets.com
Clean and easy bookmarklet generator
shares #indie · also Dev Tools · Make Bookmarklets alternatives →
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AgentForge
agentforge.net
Open-source framework for building cognitive AI agent architectures
shares #indie · also Dev Tools · AgentForge alternatives →
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AI for Developers
aifordevelopers.org
Curated AI coding tools for developers
Platforms: Web app (installable)
shares #indie · also Dev Tools · AI for Developers alternatives →
✓ Links checked Sep 2026View →
DevTools Tips
devtoolstips.org
Learn cross-browser DevTools tips and tricks
Platforms: Web app (installable)
shares #indie · also Dev Tools · DevTools Tips alternatives →
✓ Links checked Sep 2026View →
ImageOptim
imageoptim.com
Free open-source image compression for Mac
Platforms: macOS
shares #indie · also Dev Tools · ImageOptim alternatives →
✓ Links checked Sep 2026View →
More Dev Tools
Same category as TestMace, but without a shared tag — not counted as alternatives.
Open platform for cloud coding agents
✓ Links checked Sep 2026View →
Transition.css
www.transition.style
Easy transitions with clip-path
✓ Links checked Sep 2026View →
babel-time-travel
babel-time-travel.boopathi.in
Explore Babel transformations through time
✓ Links checked Sep 2026View →
Open-source community for finding the scaling laws of agents
Platforms: Web app (installable)
✓ Links checked Sep 2026View →
Source-available workflow automation with native AI agent nodes
✓ Links checked Sep 2026View →
Compare side by side:TestMace vs PlaywrightTestMace vs JS Visualizer 9000TestMace vs Make BookmarkletsTestMace vs AgentForgeTestMace vs AI for DevelopersTestMace vs DevTools TipsTestMace vs ImageOptim
Looking for the original? See the full TestMace listing, or browse all Dev Tools.
Related tags: #indie · #api-testing · #automation · #cross-platform · #teamwork