L2crypt — Encryption Tools
Source: GitHub
Lineage 2 file encryption/decryption library by acmi. Handles the proprietary L2 encryption for dat, idx, and utx files.
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GitHub
L2 Editor — Client Data Tool
Desktop tool for editing L2 client data files. Visual interface for modifying items, NPCs, skills, and other DAT/INI configurations.
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GitHub
L2ClientDat — DAT Parser
MobiusDevelopment tool for parsing and editing L2 client DAT files. Read, modify, and repack client data programmatically.
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GitHub
L2FileEdit
L2 client file editor by L2Miko. Edit DAT, texture, and mesh files with a graphical interface.
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GitHub
open-l2encdec — Encoder/Decoder
Open-source encoder/decoder for L2 client files. Decrypt and re-encrypt DAT, IDX, and other protected formats.
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