Graphical

(Tools were moved to the new game graphics section.)
(Screenshot showing four wide corridors made of glowing columns that intersect at a fountain of light.)
Eightway, a 2.5D sprite scaling graphics engine
(Stylized 3D artwork depicting futuristic vehicles under fire among blockhouses, rendered with huge pixels.)
InRelief, a graphics engine for volumetric pixel art

Text-based

Tee-Wee Editor, a lightweight authoring tool for CYOA games using Twine 2 story formats and data
Abstract art suggesting an open book with translucent pages that are flying away in the night sky as dawn approaches.
Ramus hypertext system, a template for hypertext fiction or games self-contained in a single web page

Legacy experiments

Articles

(See also: Game Programming Interfaces.) (During 2017 I wrote mostly about roguelikes and RPGs.) See also: the review of Adventure Creation Kit in Weekly Links #59 (4 March 2015).

Links

(The link directory was moved to its own page after growing too large.)