The best replacement for ndk is sdk.

The best alternatives to ndk are rated as following:
★★★★★  sdk
★★★★  jni
★★  renderscript

Your alternative for ndk is not listed? Suggest!
Speaking about ndk, one probably shouldn't forget about android studio.

Other search terms related to ndk and their ratings are:
★★★★★ android studio
You have in mind a companion for ndk and it is not yet here? Propose!



Google Trends

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ndk
sdk
jni