General

• ⲧⲉⲛⲁⲥⲡⲓ ⲛ̀ⲣⲉⲙⲉⲛ̀ⲭⲏⲙⲓ (Our Egyptian Language) website

Lessons and courses

• The Correct Traditional Pronunciation of the Coptic Language (Old Bohairic) written by Emil Maher (audio recordings available here)
• Coptic Bohairic Grammar (html, doc and pdf versions) witten by Hany N Takla
• Outline of Coptic Grammar (Sahidic and Bohairic dialects) written by Lance Eccles
• Coptic Grammar Course (Bohairic) written by Moawad Daoud (Arabic, translated into English here)
• Coptic Lessons (Bohairic) compiled by Raymond Wadie
• MIT Coptic Lessons (in Modified Isaac's Transliteration)
• A Course of Lessons in: Coptic Language by Nabil Isshak
• Video Lessons in Arabic
• Middle East Christian Association lessons in Arabic

Dictionaries, lexicons and phrase lists

• A Coptic Dictionary by Walter E Crum (also available in a different format here)
• English-Bohairic Dictionary (and also here and here) by St. Shenouda the Archimandrite Society and available in The Christian Orthodox e-Reference Library
• Lexique Copte (Dialecte Sahidique) by Pierre Cherix (also available is a Sahidic-Greek lexicon)
• Short Classified Vocabulary of Sahidic by Lance Eccles
• Sahidica Lexicon written by J Warren Wells
• English-Coptic Lexicon
• English-Coptic and Coptic-English lexicon by Andrew Fanous
• Coptic expressions for daily use
• Simple Coptic phrases by Wafik Adly
  

Coptic Bible

Groups and forums

• Remenkimi Yahoo Group
• ⲭⲏⲙⲓ forum