| Commercial $ G9 o8 \/ M) Q C3 M3 A
| LGPL v. 2.1 : r8 Z/ i+ u$ ^. b% m+ @) G
| GPL v. 3
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License Cost0 Z& Q: i. `% I% u( W# b) r2 A
| License fee charged.: d2 W8 X1 T8 p& G
| Free, y9 X/ E! f9 n5 }( ]
| Free
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Must provide source code for changes to Qt4 o2 F4 z" x7 w4 @7 _
| No, modifications can be closed' e; F! G e1 I' @5 u+ W0 ^% D
| Source code must be provided {7 j! p+ \: A- F3 k. w
| Source code must be provided0 ` i' B8 |6 }% ?' d( p( w
|
Can create proprietary application* M. T9 i. d8 D u
| Yes—No source code must be disclosed.! z+ v F# W6 c& x. t: z7 Y7 D: E
| Yes, if dynamically linked to Qt library.
/ u" i( i. c6 O- P* @5 F% P. k | No, application is subject to the GPL and source must be available.! l; U) i4 j- I
|
Updates Provided
4 I! ?7 y+ F$ A. K' F8 Q; B- ` | Yes—to those with valid maintenance.
: K7 X' x4 S( x+ | | Yes—Freely distributed.
# s& H+ b4 B \! u" E | Yes—Freely distributed.
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Support
9 }1 U1 Y* ~, M9 I | Yes, with valid maintenance agreement.
6 u5 o/ n7 j( B4 Y& |. r | Not included, available separately for purchase.
" L: H, w- L8 c8 X. t7 t% n | Not included, available separately for purchase.
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Charge for Runtimes
' J+ i& a8 x& H+ ?, w, p S: l& {7 a( V | Yes, same criteria apply.. l0 J+ C0 @. i5 d* r! a: c9 U! C
| No, distribution is royalty free.
' ~0 o7 U G; q! D9 [5 O- B | No, distribution is royalty free. {( U+ B: z# H: V
|