Breadwallet also implements CPFP when spending unconfirmed non-change
inputs. It was released back in May, but happy to let Andreas have the
bounty:

https://github.com/voisine/breadwallet/blob/v0.5.1/BreadWallet/BRWallet.m#L382


Aaron Voisine
co-founder and CEO
breadwallet.com

On Wed, Jul 15, 2015 at 9:26 AM, Dan Bryant via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:

> Offering a bounty for this feature
>
> Specifically...
>
> Anyone who can put a CPFP transaction creation feature into any wallet
> featured on the bitcoin homepage (ref1) can claim this bounty.  The
> funds are being raised by donation.  The funds will be dispersed from
> the following address when the bounty is claimed:
> 3FEUByMeaxrNmBCVYjvsnhyAjiUdat5i7M
>
> Currently there isn't much in there, but I welcome angels to fill the
> bucket.
>
> Here's proof that the multisig address is not 1 of 1:
> https://bitcointalk.org/index.php?topic=1122956.0
>
> Bounty announce: https://bitcointalk.org/index.php?topic=1123464.0
>
> ref1: https://bitcoin.org/en/choose-your-wallet
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