Open-source licences
FourSnap is built with open-source software, AI models, fonts and pictures. Thank you to everyone who made them. Each is listed with its licence; the full licence texts are linked.
Android Jetpack (AndroidX, Jetpack Compose, Material components and icons)
The Android Open Source Project
Kotlin, kotlinx.coroutines, kotlinx.serialization
JetBrains s.r.o. and Kotlin contributors
ONNX Runtime
Microsoft Corporation
LiteRT (TensorFlow Lite)
Google LLC / The TensorFlow Authors
MediaPipe Interactive Segmenter (Magic Touch) model
Google LLC
MediaPipe Selfie Multiclass Segmenter model
Google LLC
EfficientDet-Lite0 object detection model (MediaPipe)
Google LLC
RF-DETR segmentation model
Roboflow, Inc.
SAM 2.1 (Segment Anything 2.1, Hiera Tiny) model
Meta Platforms, Inc.
U²-Net-p salient object model
Xuebin Qin et al.
MODNet portrait matting model
Zhanghan Ke et al.
ViTMatte-S matting model
Hust Vision Lab
TinySkyNet sky segmentation model
SkySegmentation sample contributors
LaMa inpainting model (big-lama, ONNX export by Carve)
Roman Suvorov et al. (Samsung AI Center Moscow); Carve
Real-ESRGAN general x4v3 super-resolution model (TFLite export by Qualcomm AI Hub)
Xintao Wang et al. (Tencent ARC); Qualcomm Technologies
MediaPipe Face Detector (BlazeFace) and Face Landmarker models
Google LLC
Inter typeface
The Inter Project Authors
Abril Fatface, Anton, Archivo Black, Bebas Neue, Caveat, DM Serif Display, Dancing Script, Instrument Serif, Lobster, Monoton, Montserrat, Oswald, Pacifico, Permanent Marker, Playfair Display, Poppins, Righteous, Shrikhand, Space Grotesk
Their respective authors (see each licence)
SIL Open Font License 1.1
Template sample photos
Photographers on Unsplash, via Wikimedia Commons