GNU fontopia is an easy-to-use, text-based, console font editor. You can edit the fonts that your GNU/Linux kernel is using to display your text on text- based (vs graphical) terminals.

Freetype is a library that can be used by applications to access the contents of font files. It provides a uniform interface to access font files. It supports both bitmap and scalable formats, including TrueType, OpenType, Type1, CID, CFF, Windows FON/FNT, X11 PCF, and others. It supports high-speed anti-aliased glyph bitmap generation with 256 gray levels.

This library provides functions which take in UFO objects (such as Defcon Fonts or Robofab RFonts) and converts any cubic curves to quadratic. The most useful function is probably fonts_to_quadratic.

Python wrapper for the OpenType Sanitizer library.

The ufoLib2 Python library is meant to be a thin representation of the Unified Font Object (UFO) version 3 data model, intended for programmatic manipulation and fast batch processing of UFOs. It resembles the defcon library, but does without notifications, the layout engine and other support classes. Where useful and possible, ufoLib2 tries to be API-compatible with defcon.

This package provides the autohinter command that can be used to hint PostScript fonts. A Python wrapper is also included.

Wrap is a command line tool that is able to convert Fountain files into a correctly formatted screen- or stageplay as an HTML or a PDF. It supports standard Fountain, but also has some custom syntax extensions such as translated keywords and acts.

The OpenType Sanitizer (OTS) parses and serializes OpenType files (OTF, TTF) and WOFF and WOFF2 font files, validating them and sanitizing them as it goes.

TECkit is a low-level toolkit intended to be used by other applications that need to perform encoding conversions (e.g., when importing legacy data into a Unicode-based application). The primary component of the TECkit package is therefore a library that performs conversions; this is the "TECkit engine". The engine relies on mapping tables in a specific binary format (for which documentation is available); there is a compiler that creates such tables from a human-readable mapping description (a simple text file).

To facilitate the development and testing of mapping tables for TECkit, several applications are also included in the current package; these include simple tools for applying conversions to plain-text and Standard Format files, as well as both command-line and simple GUI versions of the TECkit compiler. However, it is not intended that these tools will be the primary means by which end users perform conversions, and they have not been designed, tested, and debugged to the extent that general-purpose applications should be.

Graphite2 is a reimplementation of the SIL Graphite text processing engine. Graphite is a smart font technology designed to facilitate the process known as shaping. This process takes an input Unicode text string and returns a sequence of positioned glyphids from the font.

FontParts is an API for interacting with the parts of fonts during the font development process. FontParts is the successor of RoboFab.

TTF2PT1 provides tools to convert most TrueType fonts (or other formats supported by the FreeType library) to an Adobe Type 1 .pfa or .pfb file. Another use is as a hinting engine: feed it an unhinted or poorly hinted Adobe Type 1 font through the FreeType library and get it back with freshly generated hints. The files produced by default are in human-readable form, which further needs to be encoded with t1utilities to work with most software requiring Type 1 fonts.

FontForge allows you to create and modify postscript, truetype and opentype fonts. You can save fonts in many different outline formats, and generate bitmaps.

Nototools is a Python package containing Python scripts used to maintain the Noto Fonts project.

WOFF2 provides libraries and tools to handle the Web Open Font Format (WOFF).

This package provides the sfd2ufo command, a converter from FontForge’s SFD fonts to UFO fonts.

Freetype Python provides bindings for the FreeType library. Only the high-level API is bound.

Fontconfig can discover new fonts when installed automatically; perform font name substitution, so that appropriate alternative fonts can be selected if fonts are missing; identify the set of fonts required to completely cover a set of languages; have GUI configuration tools built as it uses an XML-based configuration file; efficiently and quickly find needed fonts among the set of installed fonts; be used in concert with the X Render Extension and FreeType to implement high quality, anti-aliased and subpixel rendered text on a display.

T1lib is a library for generating/rasterising bitmaps from Type 1 fonts. It is based on the code of the X11 rasteriser of the X11 project.

The bitmaps created by t1lib are returned in a data structure with type GLYPH. This special GLYPH-type is also used in the X11 window system to describe character bitmaps. It contains the bitmap data as well as some metric information. But t1lib is in itself entirely independent of the X11-system or any other graphical user interface.

This package contains a commandline wrapper around OpenTypeUtilities.cpp from Chromium, used to make EOT (Embeddable Open Type) files from TTF (TrueType/OpenType Font) files.

The purpose of the ufonormalizer command is to provide a standard formatting so that updates to UFO data can be usefully versioned. Examples of formatting applied by ufoNormalizer include:

• Changing floating-point numbers to integers where it doesn't alter the value (e.g. x="95.0" becomes x="95")

• Rounding floating-point numbers to 10 digits

• Formatting XML with tabs rather than spaces.

ufo2ft (UFO to FontTools) is a fork of ufo2fdk intended to leverage FontTools (a Python library) rather than the Adobe Font Development Kit for OpenType (AFDKO), a set of C libraries/utilities so that it can be more easily extended. Like ufo2fdk, its primary purpose is to generate OpenType font binaries from Unified Font Objects (UFOs).

LibUniNamesList holds www.unicode.org Nameslist.txt data which can be useful for programs that need Unicode "Names", "Annotations", and block definitions.

fcft is a small font loading and glyph rasterization library built on-top of FontConfig, FreeType2 and pixman.

It can load and cache fonts from a fontconfig-formatted name string, e.g. Monospace:size=12, optionally with user configured fallback fonts.

After a font has been loaded, you can rasterize glyphs. When doing so, the primary font is first considered. If it does not have the requested glyph, the user configured fallback fonts (if any) are considered. If none of the user configured fallback fonts has the requested glyph, the FontConfig generated list of fallback fonts are checked.