1. GL_ARB_multitexture
2. GLX_ARB_get_proc_address
3. GL_ARB_transpose_matrix
4. WGL_ARB_buffer_region
5. GL_ARB_multisample
   GLX_ARB_multisample
   WGL_ARB_multisample
6. GL_ARB_texture_env_add
7. GL_ARB_texture_cube_map
8. WGL_ARB_extensions_string
9. WGL_ARB_pixel_format
10. WGL_ARB_make_current_read
11. WGL_ARB_pbuffer
12. GL_ARB_texture_compression
13. GL_ARB_texture_border_clamp
14. GL_ARB_point_parameters
15. GL_ARB_vertex_blend
16. GL_ARB_matrix_palette
17. GL_ARB_texture_env_combine
18. GL_ARB_texture_env_crossbar
19. GL_ARB_texture_env_dot3
20. WGL_ARB_render_texture
21. GL_ARB_texture_mirrored_repeat
22. GL_ARB_depth_texture
23. GL_ARB_shadow
24. GL_ARB_shadow_ambient
25. GL_ARB_window_pos
26. GL_ARB_vertex_program
27. GL_ARB_fragment_program
28. GL_ARB_vertex_buffer_object
29. GL_ARB_occlusion_query
30. GL_ARB_shader_objects
31. GL_ARB_vertex_shader
32. GL_ARB_fragment_shader
33. GL_ARB_shading_language_100
34. GL_ARB_texture_non_power_of_two
35. GL_ARB_point_sprite
36. GL_ARB_fragment_program_shadow
37. GL_ARB_draw_buffers
38. GL_ARB_texture_rectangle
39. GL_ARB_color_buffer_float
    WGL_ARB_pixel_format_float
    GLX_ARB_fbconfig_float
40. GL_ARB_half_float_pixel
41. GL_ARB_texture_float
42. GL_ARB_pixel_buffer_object
43. GL_ARB_depth_buffer_float
44. GL_ARB_draw_instanced
45. GL_ARB_framebuffer_object
46. GL_ARB_framebuffer_sRGB
    GLX_ARB_framebuffer_sRGB
    WGL_ARB_framebuffer_sRGB
47. GL_ARB_geometry_shader4
48. GL_ARB_half_float_vertex
49. GL_ARB_instanced_arrays
50. GL_ARB_map_buffer_range
51. GL_ARB_texture_buffer_object
52. GL_ARB_texture_compression_rgtc
53. GL_ARB_texture_rg
54. GL_ARB_vertex_array_object
55. WGL_ARB_create_context
56. GLX_ARB_create_context
57. GL_ARB_uniform_buffer_object
58. GL_ARB_compatibility
59. GL_ARB_copy_buffer
60. GL_ARB_shader_texture_lod
61. GL_ARB_depth_clamp
62. GL_ARB_draw_elements_base_vertex
63. GL_ARB_fragment_coord_conventions
64. GL_ARB_provoking_vertex
65. GL_ARB_seamless_cube_map
66. GL_ARB_sync
67. GL_ARB_texture_multisample
68. GL_ARB_vertex_array_bgra
69. GL_ARB_draw_buffers_blend
70. GL_ARB_sample_shading
71. GL_ARB_texture_cube_map_array
72. GL_ARB_texture_gather
73. GL_ARB_texture_query_lod
74. WGL_ARB_create_context_profile
75. GLX_ARB_create_context_profile
76. GL_ARB_shading_language_include
77. GL_ARB_texture_compression_bptc
78. GL_ARB_blend_func_extended
79. GL_ARB_explicit_attrib_location
80. GL_ARB_occlusion_query2
81. GL_ARB_sampler_objects
82. GL_ARB_shader_bit_encoding
83. GL_ARB_texture_rgb10_a2ui
84. GL_ARB_texture_swizzle
85. GL_ARB_timer_query
86. GL_ARB_vertex_type_2_10_10_10_rev
87. GL_ARB_draw_indirect
88. GL_ARB_gpu_shader5
89. GL_ARB_gpu_shader_fp64
90. GL_ARB_shader_subroutine
91. GL_ARB_tessellation_shader
92. GL_ARB_texture_buffer_object_rgb32
93. GL_ARB_transform_feedback2
94. GL_ARB_transform_feedback3
95. GL_ARB_ES2_compatibility
96. GL_ARB_get_program_binary
97. GL_ARB_separate_shader_objects
98. GL_ARB_shader_precision
99. GL_ARB_vertex_attrib_64bit
100. GL_ARB_viewport_array
101. GLX_ARB_create_context_robustness
102. WGL_ARB_create_context_robustness
103. GL_ARB_cl_event
104. GL_ARB_debug_output
105. GL_ARB_robustness
106. GL_ARB_shader_stencil_export

Vendor and EXT Extensions by number

1. GL_EXT_abgr
2. GL_EXT_blend_color
3. GL_EXT_polygon_offset
4. GL_EXT_texture
6. GL_EXT_texture3D
7. GL_SGIS_texture_filter4
9. GL_EXT_subtexture
10. GL_EXT_copy_texture
11. GL_EXT_histogram
12. GL_EXT_convolution
13. GL_SGI_color_matrix
14. GL_SGI_color_table
15. GL_SGIS_pixel_texture
16. GL_SGIX_pixel_texture
16. GL_SGIS_texture4D
17. GL_SGI_texture_color_table
18. GL_EXT_cmyka
20. GL_EXT_texture_object
21. GL_SGIS_detail_texture
22. GL_SGIS_sharpen_texture
23. GL_EXT_packed_pixels
24. GL_SGIS_texture_lod
25. GL_SGIS_multisample
    GLX_SGIS_multisample
27. GL_EXT_rescale_normal
28. GLX_EXT_visual_info
30. GL_EXT_vertex_array
31. GL_EXT_misc_attribute
32. GL_SGIS_generate_mipmap
33. GL_SGIX_clipmap
34. GL_SGIX_shadow
35. GL_SGIS_texture_edge_clamp
36. GL_SGIS_texture_border_clamp
37. GL_EXT_blend_minmax
38. GL_EXT_blend_subtract
39. GL_EXT_blend_logic_op
40. GLX_SGI_swap_control
41. GLX_SGI_video_sync
42. GLX_SGI_make_current_read
43. GLX_SGIX_video_source
44. GLX_EXT_visual_rating
45. GL_SGIX_interlace
47. GLX_EXT_import_context
49. GLX_SGIX_fbconfig
50. GLX_SGIX_pbuffer
51. GL_SGIS_texture_select
52. GL_SGIX_sprite
53. GL_SGIX_texture_multi_buffer
54. GL_EXT_point_parameters
55. GL_SGIX_instruments
56. GL_SGIX_texture_scale_bias
57. GL_SGIX_framezoom
58. GL_SGIX_tag_sample_buffer
60. GL_SGIX_reference_plane
61. GL_SGIX_flush_raster
62. GLX_SGI_cushion
63. GL_SGIX_depth_texture
64. GL_SGIS_fog_function
65. GL_SGIX_fog_offset
66. GL_HP_image_transform
67. GL_HP_convolution_border_modes
69. GL_SGIX_texture_add_env
74. GL_EXT_color_subtable
75. GLU_EXT_object_space_tess
76. GL_PGI_vertex_hints
77. GL_PGI_misc_hints
78. GL_EXT_paletted_texture
79. GL_EXT_clip_volume_hint
80. GL_SGIX_list_priority
81. GL_SGIX_ir_instrument1
83. GLX_SGIX_video_resize
84. GL_SGIX_texture_lod_bias
85. GLU_SGI_filter4_parameters
86. GLX_SGIX_dm_buffer
90. GL_SGIX_shadow_ambient
91. GLX_SGIX_swap_group
92. GLX_SGIX_swap_barrier
93. GL_EXT_index_texture
94. GL_EXT_index_material
95. GL_EXT_index_func
96. GL_EXT_index_array_formats
97. GL_EXT_compiled_vertex_array
98. GL_EXT_cull_vertex
100. GLU_EXT_nurbs_tessellator
101. GL_SGIX_ycrcb
102. GL_EXT_fragment_lighting
110. GL_IBM_rasterpos_clip
111. GL_HP_texture_lighting
112. GL_EXT_draw_range_elements
113. GL_WIN_phong_shading
114. GL_WIN_specular_fog
115. GLX_SGIS_color_range
     GL_SGIS_color_range
117. GL_EXT_light_texture
119. GL_SGIX_blend_alpha_minmax
120. GL_EXT_scene_marker
     GLX_EXT_scene_marker
127. GL_SGIX_pixel_texture_bits
129. GL_EXT_bgra
132. GL_SGIX_async
133. GL_SGIX_async_pixel
134. GL_SGIX_async_histogram
135. GL_INTEL_texture_scissor
136. GL_INTEL_parallel_arrays
137. GL_HP_occlusion_test
138. GL_EXT_pixel_transform
139. GL_EXT_pixel_transform_color_table
141. GL_EXT_shared_texture_palette
142. GLX_SGIS_blended_overlay
144. GL_EXT_separate_specular_color
145. GL_EXT_secondary_color
146. GL_EXT_texture_env
147. GL_EXT_texture_perturb_normal
148. GL_EXT_multi_draw_arrays
     GL_SUN_multi_draw_arrays
149. GL_EXT_fog_coord
155. GL_REND_screen_coordinates
156. GL_EXT_coordinate_frame
158. GL_EXT_texture_env_combine
159. GL_APPLE_specular_vector
160. GL_APPLE_transform_hint
163. GL_SUNX_constant_data
164. GL_SUN_global_alpha
165. GL_SUN_triangle_list
166. GL_SUN_vertex
167. WGL_EXT_display_color_table
168. WGL_EXT_extensions_string
169. WGL_EXT_make_current_read
170. WGL_EXT_pixel_format
171. WGL_EXT_pbuffer
172. WGL_EXT_swap_control
173. GL_EXT_blend_func_separate
174. GL_INGR_color_clamp
175. GL_INGR_interlace_read
176. GL_EXT_stencil_wrap
177. WGL_EXT_depth_float
178. GL_EXT_422_pixels
179. GL_NV_texgen_reflection
181. GL_SGIX_texture_range
182. GL_SUN_convolution_border_modes
183. GLX_SUN_get_transparent_index
185. GL_EXT_texture_env_add
186. GL_EXT_texture_lod_bias
187. GL_EXT_texture_filter_anisotropic
188. GL_EXT_vertex_weighting
189. GL_NV_light_max_exponent
190. GL_NV_vertex_array_range
191. GL_NV_register_combiners
192. GL_NV_fog_distance
193. GL_NV_texgen_emboss
194. GL_NV_blend_square
195. GL_NV_texture_env_combine4
196. GL_MESA_resize_buffers
197. GL_MESA_window_pos
198. GL_EXT_texture_compression_s3tc
199. GL_IBM_cull_vertex
200. GL_IBM_multimode_draw_arrays
201. GL_IBM_vertex_array_lists
206. GL_3DFX_texture_compression_FXT1
207. GL_3DFX_multisample
208. GL_3DFX_tbuffer
209. WGL_EXT_multisample
     GL_EXT_multisample
210. GL_SGIX_vertex_preclip
     GL_SGIX_vertex_preclip_hint
211. GL_SGIX_convolution_accuracy
212. GL_SGIX_resample
213. GL_SGIS_point_line_texgen
214. GL_SGIS_texture_color_mask
215. GLX_MESA_copy_sub_buffer
216. GLX_MESA_pixmap_colormap
217. GLX_MESA_release_buffers
218. GLX_MESA_set_3dfx_mode
220. GL_EXT_texture_env_dot3
221. GL_ATI_texture_mirror_once
222. GL_NV_fence
223. GL_IBM_static_data
224. GL_IBM_texture_mirrored_repeat
225. GL_NV_evaluators
226. GL_NV_packed_depth_stencil
227. GL_NV_register_combiners2
228. GL_NV_texture_compression_vtc
229. GL_NV_texture_rectangle
230. GL_NV_texture_shader
231. GL_NV_texture_shader2
232. GL_NV_vertex_array_range2
233. GL_NV_vertex_program
234. GLX_SGIX_visual_select_group
235. GL_SGIX_texture_coordinate_clamp
237. GLX_OML_swap_method
238. GLX_OML_sync_control
239. GL_OML_interlace
240. GL_OML_subsample
241. GL_OML_resample
242. WGL_OML_sync_control
243. GL_NV_copy_depth_to_color
244. GL_ATI_envmap_bumpmap
245. GL_ATI_fragment_shader
246. GL_ATI_pn_triangles
247. GL_ATI_vertex_array_object
248. GL_EXT_vertex_shader
249. GL_ATI_vertex_streams
250. WGL_I3D_digital_video_control
251. WGL_I3D_gamma
252. WGL_I3D_genlock
253. WGL_I3D_image_buffer
254. WGL_I3D_swap_frame_lock
255. WGL_I3D_swap_frame_usage
256. GL_ATI_element_array
257. GL_SUN_mesh_array
258. GL_SUN_slice_accum
259. GL_NV_multisample_filter_hint
260. GL_NV_depth_clamp
261. GL_NV_occlusion_query
262. GL_NV_point_sprite
263. WGL_NV_render_depth_texture
264. WGL_NV_render_texture_rectangle
265. GL_NV_texture_shader3
266. GL_NV_vertex_program1_1
267. GL_EXT_shadow_funcs
268. GL_EXT_stencil_two_side
269. GL_ATI_text_fragment_shader
270. GL_APPLE_client_storage
271. GL_APPLE_element_array
272. GL_APPLE_fence
273. GL_APPLE_vertex_array_object
274. GL_APPLE_vertex_array_range
275. GL_APPLE_ycbcr_422
276. GL_S3_s3tc
277. GL_ATI_draw_buffers
278. WGL_ATI_pixel_format_float
279. GL_ATI_texture_env_combine3
280. GL_ATI_texture_float
281. GL_NV_float_buffer
     WGL_NV_float_buffer
282. GL_NV_fragment_program
283. GL_NV_half_float
284. GL_NV_pixel_data_range
285. GL_NV_primitive_restart
286. GL_NV_texture_expand_normal
287. GL_NV_vertex_program2
288. GL_ATI_map_object_buffer
289. GL_ATI_separate_stencil
290. GL_ATI_vertex_attrib_array_object
291. GL_OES_byte_coordinates
292. GL_OES_fixed_point
293. GL_OES_single_precision
294. GL_OES_compressed_paletted_texture
295. GL_OES_read_format
296. GL_OES_query_matrix
297. GL_EXT_depth_bounds_test
298. GL_EXT_texture_mirror_clamp
299. GL_EXT_blend_equation_separate
300. GL_MESA_pack_invert
301. GL_MESA_ycbcr_texture
302. GL_EXT_pixel_buffer_object
303. GL_NV_fragment_program_option
304. GL_NV_fragment_program2
305. GL_NV_vertex_program2_option
306. GL_NV_vertex_program3
307. GLX_SGIX_hyperpipe
308. GLX_MESA_agp_offset
309. GL_EXT_texture_compression_dxt1
310. GL_EXT_framebuffer_object
311. GL_GREMEDY_string_marker
312. GL_EXT_packed_depth_stencil
313. WGL_3DL_stereo_control
314. GL_EXT_stencil_clear_tag
315. GL_EXT_texture_sRGB
316. GL_EXT_framebuffer_blit
317. GL_EXT_framebuffer_multisample
318. GL_MESAX_texture_stack
319. GL_EXT_timer_query
320. GL_EXT_gpu_program_parameters
321. GL_APPLE_flush_buffer_range
322. GL_NV_gpu_program4
323. GL_NV_geometry_program4
324. GL_EXT_geometry_shader4
325. GL_NV_vertex_program4
326. GL_EXT_gpu_shader4
327. GL_EXT_draw_instanced
328. GL_EXT_packed_float
     WGL_EXT_pixel_format_packed_float
     GLX_EXT_fbconfig_packed_float
329. GL_EXT_texture_array
330. GL_EXT_texture_buffer_object
331. GL_EXT_texture_compression_latc
332. GL_EXT_texture_compression_rgtc
333. GL_EXT_texture_shared_exponent
334. GL_NV_depth_buffer_float
335. GL_NV_fragment_program4
336. GL_NV_framebuffer_multisample_coverage
337. GL_EXT_framebuffer_sRGB
     GLX_EXT_framebuffer_sRGB
     WGL_EXT_framebuffer_sRGB
338. GL_NV_geometry_shader4
339. GL_NV_parameter_buffer_object
340. GL_EXT_draw_buffers2
341. GL_NV_transform_feedback
342. GL_EXT_bindable_uniform
343. GL_EXT_texture_integer
344. GLX_EXT_texture_from_pixmap
345. GL_GREMEDY_frame_terminator
346. GL_NV_conditional_render
347. GL_NV_present_video
     GLX_NV_present_video
     WGL_NV_present_video
348. GLX_NV_video_output
349. WGL_NV_video_output
350. GLX_NV_swap_group
351. WGL_NV_swap_group
352. GL_EXT_transform_feedback
353. GL_EXT_direct_state_access
354. GL_EXT_vertex_array_bgra
355. WGL_NV_gpu_affinity
356. GL_EXT_texture_swizzle
357. GL_NV_explicit_multisample
358. GL_NV_transform_feedback2
359. GL_ATI_meminfo
360. GL_AMD_performance_monitor
361. WGL_AMD_gpu_association
362. GL_AMD_texture_texture4
363. GL_AMD_vertex_shader_tessellator
364. GL_EXT_provoking_vertex
365. GL_EXT_texture_snorm
366. GL_AMD_draw_buffers_blend
367. GL_APPLE_texture_range
368. GL_APPLE_float_pixels
369. GL_APPLE_vertex_program_evaluators
370. GL_APPLE_aux_depth_stencil
371. GL_APPLE_object_purgeable
372. GL_APPLE_row_bytes
373. GL_APPLE_rgb_422
374. GL_NV_video_capture
     GLX_NV_video_capture
     WGL_NV_video_capture
375. GL_EXT_swap_control
376. GL_NV_copy_image
     WGL_NV_copy_image
     GLX_NV_copy_image
377. GL_EXT_separate_shader_objects
378. GL_NV_parameter_buffer_object2
379. GL_NV_shader_buffer_load
380. GL_NV_vertex_buffer_unified_memory
381. GL_NV_texture_barrier
382. GL_AMD_shader_stencil_export
383. GL_AMD_seamless_cubemap_per_texture
384. GLX_INTEL_swap_event
385. GL_AMD_conservative_depth
386. GL_EXT_shader_image_load_store
387. GL_EXT_vertex_attrib_64bit
388. GL_NV_gpu_program5
389. GL_NV_gpu_shader5
390. GL_NV_shader_buffer_store
391. GL_NV_tessellation_program5
392. GL_NV_vertex_attrib_integer_64bit
393. GL_NV_multisample_coverage
394. GL_AMD_name_gen_delete
395. GL_AMD_debug_output
396. GL_NV_vdpau_interop
397. GL_AMD_transform_feedback3_lines_triangles
398. GLX_AMD_gpu_association
399. GLX_EXT_create_context_es2_profile
400. WGL_EXT_create_context_es2_profile
401. GL_AMD_depth_clamp_separate

Other Extensions

These extensions have not yet been assigned numbers, are still under development, or were abandoned (but are kept in the extension registry for reference purposes).

• GL_EXT_static_vertex_array
• GL_EXT_vertex_array_set
• GL_EXT_vertex_array_setXXX
• GL_SGIX_fog_texture
• GL_SGIX_fragment_specular_lighting