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Ncurses: History, Overview & License

ncurses (new curses) is a programming library for creating textual user interfaces (TUIs) that work across a wide variety of terminals. It is written in a way that attempts to optimize the commands that are sent to the terminal, to reduce the latency experienced when updating the displayed content.

Language: English [EN]
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Ncurses topic overview

The analysis highlights History, Overview and License as prominent areas in the source structure around Ncurses.

Related topics
40
Source areas
4
Connected nodes
44
Extracted relationships
46
Related term clusters
22
Bridge connections
44

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 17 topics
History · 13 topics
License · 6 topics
Programs using ncurses · 4 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developers
Thomas E. Dickey, Juergen Pfeifer, Eric S. Raymond, Alexander V Lukyanov, Philippe Blain, Sven Verdoolaege, Nicolas Boulenguez et al.
License
X11
Operating system
POSIX
Release
1993; 33 years ago (1993)
Repository
invisible-mirror.net/archives/ncurses/
Stable release
6.6 / 31 December 2025; 7 months ago (31 December 2025)

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Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

License

Programs using ncurses

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Ncurses connects Entity context

The extracted context around Ncurses shows recurring relationship patterns in the source. For example, Ncurses → BSD, Dickey, Eric, Juergen Pfeifer, M1995, November, Raymond, Since, Subsequent, System, Thomas, Zeyd Ben-Halim Another extracted example is Ncurses → Free Software Foundation, FSF, GNU General Public License, GNU Lesser General Public, GNU Project, GPL, LGPL, License, MIT License. Use these groups to spot repeated connection types before inspecting the individual relationships.

Ncurses

Top relations

related to ncurses · 12
Ncurses → BSD, Dickey, Eric, Juergen Pfeifer, M1995, November, Raymond, Since, Subsequent, System, Thomas, Zeyd Ben-Halim
related to License · 9
Ncurses → Free Software Foundation, FSF, GNU General Public License, GNU Lesser General Public, GNU Project, GPL, LGPL, License, MIT License
related to history · 7
Ncurses → BSD, Release, SVr4, System, The XSI Curses, UNIX System, X/Open
related to Programs using ncurses · 7
Ncurses → GNU Midnight Commander, GNU Screen, Hundreds, Others, Setup Tool, YaST, Yet
is a · 2
Ncurses → free and open-source software emulation of curses from System V Release 4.0, free and open-source software emulation of the System V Release 4.0
Developers · 1
Ncurses → Thomas E. Dickey, Juergen Pfeifer, Eric S. Raymond, Alexander V Lukyanov, Philippe Blain, Sven Verdoolaege, Nicolas Boulenguez et al.
License · 1
Ncurses → X11
Operating system · 1
Ncurses → POSIX
Release · 1
Ncurses → 1993; 33 years ago (1993)
Repository · 1
Ncurses → invisible-mirror.net/archives/ncurses/

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

curses library system release bsd termcap use free software programming programs license work terminal written version gnu new open-source eric

Ncurses relationships Subject–Predicate–Object triples

TTTA extracted 46 structured relationships around Ncurses. Examples in this analysis include Ncurses → Developers → Thomas E. Dickey, Juergen Pfeifer, Eric S. Raymond, Alexander V Lukyanov, Philippe Blain, Sven Verdoolaege, Nicolas Boulenguez et al. and Ncurses → License → X11. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
NcursesDevelopersThomas E. Dickey, Juergen Pfeifer, Eric S. Raymond, Alexander V Lukyanov, Philippe Blain, Sven Verdoolaege, Nicolas Boulenguez et al.1.00infobox
NcursesLicenseX111.00infobox
NcursesOperating systemPOSIX1.00infobox
NcursesRelease1993; 33 years ago (1993)1.00infobox
NcursesRepositoryinvisible-mirror.net/archives/ncurses/1.00infobox
NcursesStable release6.6 / 31 December 2025; 7 months ago (31 December 2025)1.00infobox
NcursesTypeWidget toolkit1.00infobox
NcursesWebsiteinvisible-island.net/ncurses/1.00infobox
NcursesWritten inC1.00infobox
Ncursesis afree and open-source software emulation of curses from System V Release 4.00.90text
Ncursesis afree and open-source software emulation of the System V Release 4.00.90text
Ncursesrelated to historySystem0.60section

Related concept clusters Related term clusters

The concept neighborhoods around Ncurses bring nearby vocabulary together. In this analysis, examples include Curses, New and Terminal. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Ncurses
    • Curses
    • New
    • Terminal
    • License
    • Release
    • Use
    • Emulation
    • Svr4
    • Variety
    • Open-source
    • Written
    • Programming
  • ncurses
    • Curses
    • New
    • Terminal
    • License
    • Release
    • Use
    • Emulation
    • Svr4
    • Variety
    • Open-source
    • Written
    • Programming
  • curses
    • System
    • Bsd
    • Ncurses
    • Library
    • Open-source
    • Terminal
    • Programming
    • Release
    • Free
    • Software
    • Use
    • Emulation
  • programming library
    • User
    • Variety
    • Gnu
    • Used
    • Bsd
    • Interfaces
    • New
    • Programming
    • Release
    • Open-source
    • Termcap
    • System
  • gnu general public license
    • Use
    • Programming
    • Software
    • Ncurses
    • Developers
    • Interfaces
    • Operating
    • Svr4
    • User
    • Using
    • New
    • Open-source
  • gnu lesser general public license
    • Use
    • Programming
    • Software
    • Ncurses
    • Developers
    • Interfaces
    • Operating
    • Svr4
    • User
    • Using
    • New
    • Open-source
  • programs using ncurses
    • Developers
    • Curses
    • New
    • Terminal
    • License
    • Release
    • Pcurses
    • Terminfo
    • Thomas
    • Used
    • Use
    • Emulation
  • free and open-source software
    • Software
    • Emulation
    • Svr4
    • Open-source
    • Written
    • Release
    • License
    • System
    • Operating
    • User
    • Raymond
    • Terminal

Connections between topic areas Semantic bridges

For Ncurses, one of the stronger structural bridges in this analysis connects Ncurses with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Ncurses — Overview · splits 27 ⟂ 18
Ncurses — History · splits 31 ⟂ 14
Ncurses — License · splits 38 ⟂ 7
Ncurses — Programs using ncurses · splits 40 ⟂ 5

Map overview Semantic statistics

Ncurses

Nodes45
Edges44
Triples46
Avg. degree1.96
Density0.044444
Components1

Source & methodology

TTTA analyzes the structure around Ncurses to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Overview & License, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Ncurses · EN edition · Analysis: TopicsToTalkAbout

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