Wokann

Pokemon Ranger Net Mission Distribution Tool (PRNMDTool) made by wokann
宝可梦巡护员网络任务配信器——卧看微尘制作

This tool currently has two language interfaces (Chinese, English) (it also supports additional multi-language display, see i18n.h for details in source code)
 
Feature
Distribute Missions for r1(jp), r2(jp&oversea), r3(jp&oversea) which already have game progress. Create Initial save files which contain Missions for r1(jp), r2(jp&oversea), r3(jp&oversea). Reset Manaphy mission from egg sent to egg not received or egg received but not sent. (Now only support Ranger1 jp&oversea) Note: r1(oversea) don't need to be distributed, cause missions are already in game and can be played or unlocked after finishing game. If you drag save files of r1(oversea) on tool, tool will show you the codes to unlock manapphy mission in difference regions.
Usage
 Drag save file(s) onto this tool PRNMDTool.exe support multiple files in one time. (Corresponding to feature 1 and 3) Using command line. (Corresponding to feature 1 and 3)  PRNMDTool.exe [filename1] [filename2] [filename3] ... Double-click tp open PRNMTool.exe to generate initial distribution save. (Corresponding to feature 2)  
Credit
1. ranger1 save decrypt/encrypt and ram research: @ajxpk @BlackShark @DeadSkullzJr
 
Reference
Source code：https://github.com/Wokann/PokemonRangerNetMissionDistributionTool