The Discover shelf.
The best software we’ve found, picked by hand. No paid placements, no affiliate links, and every listing includes the honest downside.
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EExcalidrawThe whiteboard that opens instantly.Loads in a browser tab with nothing to sign into and gets a diagram out of your head in under a minute. The deliberately hand-drawn look is the point: it reads as a sketch, so nobody argues about pixel alignment instead of the idea.The catch: That same sketch aesthetic is wrong for anything that has to look finished.DetailsPPhotopeaPhotoshop in a browser tab.Opens PSD, XD, Sketch and RAW files in a tab, with layers, masks and adjustment tools that hold up for real edits. Astonishing to hand someone a layered file and have them open it on a borrowed laptop with nothing installed.The catch: Ad-supported unless you pay, and very large files will make the tab work hard.DetailsSSquooshShrink an image without guessing.A split-screen slider showing the original against the compressed version at whatever quality you pick, so you stop guessing at export settings. Everything happens in the browser, so the image is never uploaded.The catch: One image at a time, no batch mode, and development has been quiet for a while.DetailsHHave I Been PwnedFind out which breach had your email.Type an address and see which known breaches contained it, run for years as a public service with no upsell. The notification service is the useful half: it emails you when an address turns up in something new.The catch: It only knows about breaches that became public, so a clean result proves nothing.DetailsWWayback MachineRead the page that got deleted.The internet's memory. Recovers dead documentation, quietly edited articles and products whose marketing site no longer admits a feature existed. You can also archive a page yourself before linking to it, which is the honest way to cite something that might move.The catch: Coverage is uneven, dynamic pages often archive badly, and it can be slow under load.Details
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