# GNU Readline

Hacker Approved page: https://hackerapproved.com/p/gnu-readline/

12 people recommended GNU Readline in Hacker News comments, 2 had mixed feelings and 3 criticized it, November 2025 to October 2026. It was recommended in 7 of 12 months, in 9 threads. It meets the Hacker Approved badge rule.

**Verdict:** Free library that gives programs Emacs-style and vi editing keys, history and tab completion, so people use the same editing keys in many places.

Summary written by Claude from 18 comments. It was written before the November 2026 recount, and 17 of those comments still count.

## Why people recommend it

- Default in many programs everywhere (2 comments in the sample): "Learn emacs once and use ratpoison, readline and rlwrap everywhere." ([source](https://news.ycombinator.com/item?id=49501933)) "readline everywhere by default is fantastic" ([source](https://news.ycombinator.com/item?id=50015852))
- Few keys cover editing (2 comments in the sample): "Editing commands is not hard with a few keys." ([source](https://news.ycombinator.com/item?id=49271388)) "contains all the useful key combinations" ([source](https://news.ycombinator.com/item?id=47533472))
- Emacs keys work across many tools (1 comment in the sample): "Emacs cursor movement keystrokes are quite widely supported elsewhere too which use GNU deadline or implement at least subset themselves." ([source](https://news.ycombinator.com/item?id=48586285))
- Handles single-line editing well (1 comment in the sample): "The default readline is perfectly fine for single line commands" ([source](https://news.ycombinator.com/item?id=46564284))

## The badge

A product earns the Hacker Approved badge when at least 10 people recommend it, recommenders outnumber critics at least 2 to 1 (mixed feelings count toward neither side), it was recommended in at least 4 of the 12 months and in at least 5 different threads, and no single thread supplies more than half of the people who recommend it. Health and money products are never badged.

## Cite as

Hacker Approved, "GNU Readline", https://hackerapproved.com/p/gnu-readline/ (12 recommend, 2 mixed, 3 criticize; Hacker News comments, November 2025 to October 2026).

Counts updated 2 Nov 2026, with data through October 31, 2026.