Alphabetum is a large, multilingual font (over 5,780 characters in version 9.90) designed for typing ancient languages. A free demo of the font is available to download, containing around 500 fewer characters than the full version. The full version is available to purchase for EUR 15 - 60, depending on the status and purposes of the customer.

Steven Coxhead has documented the necessary steps for typing Hebrew on a Linux system using a keymap similar to the SIL Hebrew keyboard on his blog, Berith Road.

Culmus hosts a family of Unicode compliant, open-source ancient Semitic fonts, created by Yoram Gnat. These include fonts for processing text in the Hebrew, Phoenician, Imperial Aramaic, and Samaritan scripts.

The DejaVu fonts are a font family in Sans, Serif and Mono styles. Supported scripts include Latin, Greek, Cyrillic, Armenian and Georgian (available in all styles). In addition, Hebrew, N'Ko, Lao, Unified Canadian Aboriginal Syllabics, Ogham and Arabic are supported but may not be available in all styles.

Ezra SIL is a typeface fashioned after the square letter forms of the typography of the Biblia Hebraica Stuttgartensia (BHS), an Old Testament volume familiar to Biblical Hebrew scholars. The Ezra SIL font is an OpenType “smart” font. It is designed to work with Office 2003 and above. Two fonts are included in the Ezra SIL package.

The Cardo font contains a very large number of Latin, Greek and Hebrew characters, as well as the following OpenType features: old style numerals, proportional numerals, standard ligatures, discretionary ligatures, historical forms, and historical ligatures. A new italic style of the font has been created, which at the time of writing only contains Latin characters. There are plans to create italic style variants of the remaining characters also.

Freelang is a non-profit project started in 1997 and developed by the user community. The site hosts dictionaries, translation software, and fonts for a wide variety of languages.

Kabbalah Software, Inc. have produced a number of Unicode Hebrew fonts for Windows. These are available for purchase; prices vary.

The Libertine Open Fonts Project has created a free OpenType font family intended as an alternative to Times New Roman. The fonts cover the codepages of Western Latin, Greek, Cyrillic (with their specific enhancements), Hebrew, IPA and many more. It also includes Graphite features and XeTeX example files.

Mark Shoulson's fonts for Visible Speech and Hebrew are available from his website at the link below (the Hebrew fonts via  myfonts.com). He has also designed what he describes as "a fairly wide-coverage Unicode font family" called Marin, also available from his website. Marin and the Visible Speech fonts are free to download; the Hebrew fonts are available for purchase.

 Masterfont is Israel's largest type vendor, hosting a collection of almost two thousand professional fonts. They also provide custom type design services. Please note, their catalogue is written in Hebrew.

Mark Williamson's MPH 2B Damase is a free font encoding many non-Latin scripts, including the Unicode 4.1 scripts in the Supplementary Multilingual Plane: Armenian, Cherokee, Coptic, Cypriot, Cyrillic, Deseret, Khutsuri, Glagolitic, Gothic, Greek, Hanunóo, Hebrew, Linear B, Old Italic, Old Persian Cuneiform, Osmanya, Phoenician, Shavian, Tai Le (no combining tone marks), Thaana, Tifinagh, Ugaritic, and Vietnamese. A few of these scripts do not display perfectly; Tai Le does not have combining tone marks, and Hanunóo does not support the ligatures needed for writing Buhid.

This is a collection of Latin and non-Latin Unicode keyboard layouts for Mac OS X.

An excellent and very complete font for Biblical Hebrew. Includes keyboards for Windows and Mac.

The Shlomo fonts family was developed by Shlomo Orbach. The aim of the fonts is to enable those with visual impairments to easily read Jewish religious texts and other texts in the Hebrew script. The fonts include cantillation marks.

The Shlomo, Shlomo Light Bold, and Shlomo Bold fonts have improved readability, for those with vision impairments. The Shlomo Stam and the Shlomo semiStam fonts are similar in style and shape to the handwritten letters in the Tora scroll.

Titus Cyberbit Basic is a Unicode-encoded font which supports typesetting in the Greek, Cyrillic, Armenian, Hebrew, Ethiopic, Thaana, Ogham, and Runic scripts. It is compatible with Windows and Mac OS, and can be downloaded for free upon submission of a form. Limited information about the font is available from  Wikipedia.

Brian Berman has developed a system to accurately transliterate Ladino text from Latin characters into Solitreo, Meruba (Hebrew), and Rashi (Hebrew) scripts. It can be found  here.

 This Typophile thread discusses options for processing Hebrew text with cantillation marks. The discussion centers around the pros and cons of various Hebrew fonts and publishing packages, with  SBL Hebrew discussed at length.  DavkaWriter and  Dagesh are recommended in the thread for their capacity to include cantillation marks in a text.

David Hamuel released a series of Hebrew fonts in 2006, which he announced in  this Typophile thread. Links to his fonts are followed by a discussion about some of their features. The fonts are sold exclusively by  Veer Marketplace for GBP 35, or 34 Veer credits, each.