eApps — 43 Cross-Platform Applications v2.0.0

Complete suite of C + LVGL apps for embedded, desktop, and web. GUI (touchscreen) and CLI (terminal) modes.

43 AppsC + LVGL v9.17 PlatformsGUI + CLI

Overview

43 apps in 5 categories. All written in C with LVGL v9.1 for GUI. Cross-compiled to Windows, Linux, macOS, EoS, Web (WASM), FreeBSD, and Android.

🔧 Productivity (12 Apps)

📝 eNote

Text editor: syntax highlighting, tabs, search/replace, auto-save

🧮 eCalc

Scientific calculator: expression parser, history, unit conversion, hex/bin/oct

📅 eCal

Calendar and scheduler: events, reminders, week/month/agenda views

📂 eFiles

File manager: tree view, copy/move/delete, preview, storage stats

🔄 eConverter

Unit converter: length, weight, temp, voltage, frequency, hex/dec/bin

📋 eBuffer

Clipboard manager: history, pinned items, cross-device sync, search

⏰ eClock

World clock, alarm, stopwatch, timer, countdown, time zones

🧹 eCleaner

Storage analyzer: scan temp files, logs, duplicates, free space

🔧 eTools

System info, process list, memory viewer, hex editor

📤 eFTP

File transfer: FTP/SFTP, drag-drop, progress bar, resume

🎨 ePaint

Drawing editor: brushes, layers, shapes, color picker, PNG export

📦 eZip

Archive manager: ZIP, TAR, GZ, BZ2. Create, extract, browse

🎬 Media (5 Apps)

🎵 eMusic

Audio player: playlist, equalizer, album art, gapless playback

🎬 eVideo

Video player: HW decoding, subtitles, playlist, fullscreen

🖼 eGallery

Image viewer: thumbnails, slideshow, zoom/pan, EXIF

📄 ePDF

PDF viewer: page nav, zoom, text search, bookmarks

▶ ePlay

Unified media center: music, video, gallery in one hub

🎮 Games (11 Apps)

🐍 Snake

Classic snake: speed progression, score, touch/keyboard

⬛ Tetris

Falling blocks: rotation, line clear, levels, next-piece

💣 Minesweeper

Mine-clearing: flags, timer, 3 difficulty grids

🎲 Dice

Dice roller: 1-10 dice, custom sides, history, stats

♟ eChess

Chess: AI opponent (minimax), history, undo, themes

🏃 eRunner

Endless runner: obstacles, power-ups, parallax

🍬 eCrush

Match-3 puzzle: combos, special tiles, levels

🐦 eBirds

Physics launcher: destructible environments, projectiles

🧱 eBlocks

Block-breaker: paddle, power-ups, ball physics

🍉 eSlice

Swipe-to-slice: fruits, bombs, combos, gestures

🦠 eVirusTower

Tower defense: virus waves, upgrades, strategy

🌐 Connectivity (7 Apps)

💬 eChat

Messaging: EIPC transport, groups, file sharing, encryption

🔌 eSSH

SSH terminal: tabs, key auth, session save, SFTP

🖥 eVNC

VNC remote desktop: encodings, clipboard, scaling

🌐 eWeb

Browser: HTML rendering, bookmarks, tabs, downloads

📡 eSerial

Serial monitor: baud config, hex view, logging, macros

🔒 eVPN

VPN: WireGuard/OpenVPN, server list, kill switch

🚇 eTunnel

SSH tunneling: local/remote/dynamic SOCKS proxy

🛡 Security and System (3 Apps)

🛡 eGuard

Firewall: rule editor, connection monitor, IP block/allow

🎯 Suite

App launcher hub: search, favorites, categories

🤖 eBot

AI chat client: EAI LLM, tool calls, model switching

CLI vs GUI Comparison

#	App	GUI	CLI	What GUI Adds
1	eNote	✅	✅ `enote file.txt`	Syntax highlighting, tabs
2	eCalc	✅	✅ `ecalc "2+3"`	Visual buttons, history
3	eCal	✅	✅ `ecal --list`	Month grid, drag-create
4	eFiles	✅	✅ `efiles /path`	Thumbnails, drag-drop
5	eConverter	✅	✅ `econverter 5 km mi`	Visual unit picker
6	eBuffer	✅	✅ `ebuffer --paste`	History with preview
7	eClock	✅	✅ `eclock --timer 5m`	Analog clock, timer
8	eCleaner	✅	✅ `ecleaner --scan`	Storage pie chart
9	eTools	✅	✅ `etools --sysinfo`	Live graphs, panels
10	eFTP	✅	✅ `eftp put file.bin`	Drag-drop, queue
11	ePaint	✅	❌	Requires display
12	eZip	✅	✅ `ezip extract f.zip`	Browse contents
13	eMusic	✅	✅ `emusic play s.mp3`	Album art, equalizer
14	eVideo	✅	✅ `evideo play c.mp4`	Seek bar, subtitles
15	eGallery	✅	✅ `egallery --list`	Thumbnails, slideshow
16	ePDF	✅	✅ `epdf --text f.pdf`	Page rendering, zoom
17	ePlay	✅	✅ `eplay scan /media`	Unified media center
18	Snake	✅	✅ ASCII terminal	Color graphics, touch
19	Tetris	✅	✅ ASCII terminal	Colorful blocks, touch
20	Minesweeper	✅	✅ ASCII + coords	Mouse click, flags
21	Dice	✅	✅ `dice roll 2d6`	Animated 3D dice
22	eChess	✅	✅ `echess --ai`	Drag-drop pieces
23	eRunner	✅	❌	Requires display
24	eCrush	✅	❌	Requires display
25	eBirds	✅	❌	Requires display
26	eBlocks	✅	❌	Requires display
27	eSlice	✅	❌	Requires display
28	eVirusTower	✅	❌	Requires display
29	eChat	✅	✅ `echat send "hi"`	Bubbles, emoji
30	eSSH	✅	✅ `essh user@host`	Tabs, split panes
31	eVNC	✅	❌	Requires display
32	eWeb	✅	✅ `eweb --dump URL`	Rendered HTML, tabs
33	eSerial	✅	✅ `eserial /dev/ttyUSB0`	Hex view pane
34	eVPN	✅	✅ `evpn connect us-1`	Map view
35	eTunnel	✅	✅ `etunnel -L 8080:h:80`	Tunnel diagram
36	eGuard	✅	✅ `eguard --status`	Traffic graph
37	Suite	✅	✅ `suite --list`	App grid icons
38	eBot	✅	✅ `ebot chat "msg"`	Rich chat, tool viz

Summary

Both GUI + CLI: 30 apps. GUI only: 8 apps (ePaint, eRunner, eCrush, eBirds, eBlocks, eSlice, eVirusTower, eVNC)

Platform Matrix

Category / App	Win	Linux	macOS	EoS	Web	FreeBSD	Android
Productivity
eNote, eCalc, eCal, eConverter, eClock, ePaint, eZip	✅	✅	✅	✅	✅	✅	✅
eFiles, eTools	✅	✅	✅	✅	⚠	✅	✅
eBuffer, eCleaner, eFTP	✅	✅	✅	✅	❌	✅	❌
Media
eMusic, eGallery, ePDF	✅	✅	✅	✅	✅	✅	✅
eVideo, ePlay	✅	✅	✅	✅	⚠	✅	⚠
Games (all 11)
Snake, Tetris, Minesweeper, Dice, eChess, eRunner, eCrush, eBirds, eBlocks, eSlice, eVirusTower	✅	✅	✅	✅	✅	✅	✅
Connectivity
eChat, eVNC	✅	✅	✅	✅	✅	✅	✅
eSSH, eWeb, eSerial, eVPN, eTunnel	✅	✅	✅	✅	❌	✅	❌
Security
Suite, eBot	✅	✅	✅	✅	✅	✅	✅
eGuard	✅	✅	✅	✅	❌	✅	❌

✅ Full support ⚠ Partial (browser limits) ❌ Not available

Architecture

eApps/
  apps/          43 applications (snake/, ecalc/, enote/, essh/, ebot/ ...)
  core/
    common/      registry, math, expr parser
    ui/          theme, canvas, widgets
    storage/     prefs, filesystem helpers
    network/     HTTP, FTP, SSH, VPN wrappers
  port/
    sdl2/        Desktop (Windows, Linux, macOS)
    eos/         EoS native (embedded)
    web/         Emscripten / WASM
  extern/
    lvgl/        LVGL graphics library

Build Commands

Desktop (SDL2)

git clone https://github.com/embeddedos-org/eApps.git
cd eApps
cmake -B build -DEAPPS_PORT=sdl2
cmake --build build --parallel
./build/eapps_suite          # All apps
./build/apps/snake/snake     # Just Snake

Web (Emscripten)

source ~/emsdk/emsdk_env.sh
cmake -B build-web -DEAPPS_PORT=web \
  -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake
cmake --build build-web --parallel

EoS (Native Embedded)

cmake -B build-eos -DEAPPS_PORT=eos \
  -DCMAKE_TOOLCHAIN_FILE=cmake/eos.cmake -DEOS_TARGET=stm32f4
cmake --build build-eos --parallel

Real-World Use Cases

Scenario	Apps	Description
Calculator on RPi touchscreen	eCalc	Deploy with LVGL to RPi 7" touchscreen
Snake game over SSH	Snake	Play in ASCII mode, no display needed
File manager for embedded	eFiles	Browse files on EoS with touch or terminal
AI assistant on edge	eBot	Chat with on-device LLM via touch or CLI
Remote device management	eSSH + eVNC	Terminal or GUI remote access
IoT dashboard	eTools + eGuard	Monitor resources and network traffic
Educational kiosk	Suite + Games	Full suite on kiosk for students
Serial debugging	eSerial	UART with hex view, logging, macros

Previousebuild CLI NextEoStudio