| Commercial
% n& |& a+ k' t) ?9 p, U6 o2 {# u | LGPL v. 2.1
' ~. h* N0 }/ G+ m; D- ^ | GPL v. 3
5 I! w3 o0 F. Y |
License Cost
# F E y9 ]' l+ n5 E" G+ } | License fee charged.
3 l% ]4 ~2 L9 b0 a, S; j5 j | Free( [: i/ k/ u. d- ]/ ?5 q0 w
| Free
* P( r6 b8 f' T9 i2 K0 m |
Must provide source code for changes to Qt' ^ P4 K# _5 C# ~7 Q( r, N
| No, modifications can be closed
* D0 j9 u3 ^' x5 @+ ]6 R9 H | Source code must be provided
/ c7 S( v' J3 \ | Source code must be provided1 _( A; a- b3 H3 b* k! G8 h) p
|
Can create proprietary application0 F( ]3 T: f' K2 G! E% _" c$ B) M
| Yes—No source code must be disclosed.
1 c; a1 x2 J& z/ ~" m | Yes, if dynamically linked to Qt library.
1 _% w( E4 j; L0 ~1 o" G% g/ I" b4 R | No, application is subject to the GPL and source must be available.
. e: V& w' m& K1 C( Y |
Updates Provided2 f, p! k9 x1 S8 N" {8 ?5 y! {
| Yes—to those with valid maintenance. u2 B3 m; G: a* a
| Yes—Freely distributed., U2 q9 u4 X" P: p- y& v! x
| Yes—Freely distributed.
6 U/ Z+ S5 u0 f |
Support# `+ f& w. z! r! J+ w; \4 v
| Yes, with valid maintenance agreement.
! L/ y3 t9 o6 D) b | Not included, available separately for purchase., x& U) q' A, t3 Q) E5 N1 A
| Not included, available separately for purchase.* Y) x4 h- N- z) |- D% ~2 e
|
Charge for Runtimes
* |3 w, i# g! l& y# k. i9 L: t0 ` | Yes, same criteria apply.0 c! w2 K: t' Y V
| No, distribution is royalty free.$ y0 X7 k* Z1 U9 W5 h- D
| No, distribution is royalty free.- N: l' ~ t! D2 w6 x% H
|