Slice is only to be used for authorized projects by authorized developers. With that said, it can be downloaded for Windows and for Linux. To see what has changed between versions, check the changelogs.

Current versions of Slice and the first-party extensions:

Slice (slice: sl...)
2.6.6.2

Slice Scroll (slicescroll: scr...)
1.0.1.3

Slice Simple Options Menu (sliceopts: op...)
1.3.0.7

Slice FPS Counter (slicefps: fps...)
1.1.2.0

Slice 2D World System (slice2d: s2d...)
1.5.1.0

Slice Animation System (sliceanim: anim...)
1.0.2.0

Slice Text (slicetext: txt...)
1.0.1.0

Splash Screens (splash)
1.1.0.2

Slice 2D Physics (slicephys2d: phys...)
1.0.1.1

Slice 2D Particles (sliceparticles: ptcl...)
1.1.0.0

Command-Line Arguments Parser (getarg)
1.0.0.0

Slice Toggle (slicetoggle: tgl...)
1.0.0.1