Assembly Line

Instapaper

A simple tool for saving web pages to read later on iOS, Android, computer, or eReaders.

Instapaper is commercial bookmark manager software made by Instant Paper. It was first released in 2008. Its English Wikipedia article has about 402 readers a month on phones.

Made by
Instant Paper
Since
2008
Wikipedia readers on phones
402 a month
Source code
Closed

Website Wikipedia

Judgement

What it is
Complete system
What it does
Saves web articles for later reading in a clean text view, with highlights and Kindle delivery.
Adopt it when
You want a simple, distraction-free read-it-later app and do not need note-app integration.
Watch out
A small company with slow development, and some features require Premium.
Ready for
Production-ready
Runs as
Cloud service, mobile app and browser extension
What the license allows
Closed source: you use it under the maker's terms and cannot change or resell the code.

Judged on 2026-11-03 from the maker's description and Wikipedia. The license and age lines are worked out directly.

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Under it

Every program, Instapaper included, runs on a microchip.

How compilers were built, back to punched paper tape

The description is the maker's own, quoted as written. Facts come from Wikipedia and refresh weekly. Readers are counted on Wikipedia's mobile site only, because automated traffic that Wikimedia does not flag inflates desktop counts.