See also the SDK installation page

• AmigaDevHelp Large collection of AmigaOS3 (and before) documentation including a large number of examples.
• Guide to Amiga Compatible Programming
• Natami/Amiga developer docs HTML versions of the official AmigaOS manuals from Commodore as well as the hardware reference manual and a guide to the m68k instruction set.
• Amiga Developer Docs - Another source for the official AmigaOS manuals
• AROS Wiki Book User guide for AROS, which contains a significant section on developing for AROS. The “porting” section has relevant information for updating old Amiga software to more recent AmigaOS3 or 4 setups as well (information on differences between SAS/C and gcc, most of which applies to vbcc too, in particular)
• Documentation of the AMOS file formats - AMOS is a BASIC style language for the Amiga with extensive graphics and sound support; this documentation is most interesting for people who wish to manipulate source code written in AMOS in external tools.
• Amigan's Abandonware page has some Amiga manuals/books.
• Amiga File Formats Lists specs, utilities etc. for accessing Amiga file formats.

• Peter Hutchison's Amiga C Tutorial
• Amiga OS4 Programming Guide Project to create a set of tutorials on C programming for AmigaOS4.
• An Introduction to AMIGA Programming Using C by Michael Ness Covers up to and including AmigaOS4.
• Amiga C Kurs fuer Einsteiger German programming tutorial for Amiga
• How To Code V7 Extensive tutorial / e-book on Amiga development
• Writing a compiler Chris Gray's tutorial for writing a compiler for the Amiga (for a language called “Toy” designed for the tutorial) in Draco.
• ARexx Tutorial Chris Patterson's two part ARexx tutorial.

• AmigaOS 3.1 updates
• AmigaOS 3.5 updates
• AmigaOS 3.9 updates
• Unofficial AmigaOS 3.9 updates

Aminet is a good source for programs including source code. The list below is intended to cover non-Aminet sources only:

• Amiga Software by Paul Kienitz
• Dice C Compiler For m68k. Compiler is probably outdated for most use today, but source might be interesting.
• Reverse engineered Amiga "Cracktros"
• Blog entry w/source links (Aminet and Github) for "Banker"
• Source code and Youtube videos for demos by Triumph
• YAM - Yet Another Mailer Major example of a current Amiga app that's portable to the various AmigaOS-like OS's.
• Assembly source for Protracker
• Some Amiga Basic programs
• Sceptre of Shalimar AmigaBasic game w/source
• Various AMOS sourcecode Including spatial sound.
• AMOS sourcecode for Midi Companion, W-Lib and others as well as disk mags.
• Amigan Software Software releases from Amigan Software, most with source.
• Source code for ACE basic compiler
• Source code for Frexx editor
• Amiga C Source Repository
• Amiga Open Source List of Amiga open source projects, specifically projects with no or outdated AROS versions.
• Asm Pro Assembler IDE
• AWeb Source for th AWeb web browser
• Testaware Amiga projects A selection of Amiga Basic, AMOS, AMOSPro and asm games and tools, including source.
• comp.sources.amiga archive Link to the earliest Google Groups archived messages of comp.sources.amiga (now defunkt)
• HD-Rec Major music app written using AmiBlitz3
• CU Amiga C Tutorial source code

• Amiga ports including gcc and ixemul and lots more.
• Page tracking effort to port OOo4Kids to AmigaOS4 contains an outsider view of getting started, including some solutions and links to external resources.
• Ktadd's Amiga OS4 Development Hotlist
• Amiga Coding Wiki
• Michael Sinz' Enforcer page Enforcer is a MMU tool for the classic Amigas to identify memory related bugs - this page has the source code; For current use Muforce may be a better alternative.
• Commented disassembly of Kickstart 1.3 and a variety of other old Amiga system software.
• Assembler page Bunch of assembly resources, mainly for “classic” 68k AmigaOS
• Vasm A highly portable and retargetable assembler that also supports Amiga
• Tags in PCQ German article on using taglists in PCQ (pascal compiler)
• JForth Now freeware Forth compiler for Amiga
• pForth Public domain portable ANS Forth written in C w/source.
• M2Amiga Now open source version of the M2Amiga Modula 2 compiler
• Aztec Museum Mostly of historic interest. Archive of old Aztec C compilers, including the Amiga version.

• AmiForce Mostly German language site hosting the main AmiBlitz forums
• UtilityBase Amiga development community site