[GPSNavX]

Till now MacENC is the only application which does read the S63 charts!

http://www.iho.shom.fr/ECDIS/s63intro.htm

Here is a list of all the companies that have developed S63 compatible software..

Furuno Finland Oy
Kelvin Hughes Limited
SAM Electronics (STN Atlas)
MARIS
Tresco Engineering
SevenCs
TRANSAS
Sperry Marine (Litton Marine)
Thales Nederland B.V.
Sea Information Systems Ltd
PC Maritime
Simex Co. Ltd.
Poonghan International Co., Ltd.
Raytheon Marine GmbH
Nautical Digital Equipment (NAUDEQ)
Euronav Limited
Centre for Automation of Mission Critical Systems (CAMS)
Danish Maritime Institute
HITT BV
Imtech Marine & Industry
Safe Software Inc.
Kongsberg Maritime Ships Systems
ICAN International Communications and Navigation Ltd
Plan-GIS GmbH
CherSoft Ltd.
HDW Hagenuk Schiffstechnik GmbH
QPS BV
Adveto Advanced Technology AB
VisSim
ARI Labs Pvt. Ltd.
Olex AS
Denbridge Digital Ltd
Ware SL
SODENA
HSA Systems
GEM Elettronica
Tresco Navigation Systems bvba
Offshore Systems Ltd
YOKOGAWA Denshikiki Co., Ltd
Contego as
Kordi / Kriso
Australian Hydrographic Service
Tokimec Inc
Japan Radio Co.
Nippon Sogo Systems, Inc.
PC Studio Alpha Ltd
Todaka Corp.
Northport Systems Inc. / Fugawi
DCN
Sainsel Systemas Navales, S.A.
Norcontrol IT
e-MLX Co. Ltd.
Navicon A/S
SFA, Inc.
Caris
Mitsubishi Heavy Industries LTD
Robosail Systems BV
Hitachi Ltd., Defense Systems Group
NTT Data Corporation
JSC "Marine Bridge & Navigation Systems"
GPSNavX
BAE Systems - Integrated System Technologies Ltd
BMT Ltd.
NEC Corporation
Saab TransponderTech AB
C-MAP Norway AS
R-Süsteemid Ltd.
L-3 Communications Navigation AS
ScanNav
Hypack, Inc.
Nautical Science & Technology Institute, Dalian Maritime University
GateHouse A/S
Morintech
IIC Technologies Private Limited
Barco Orthogon GmbH
Fin Skog Geomatics Int
Navielektro KY
Atlas Elektronik GmbH
Terra Vision Pty Ltd
Samsung Heavy Industries Co. Ltd.
Ledwood Technology Ltd
Dalian Maritime University
Mitsui Engineering & Shipbuilding Co. Ltd.
Ivar Yrke
Oyo Corporation
Just Planning System Co.
Luciad NV
Global Navigation Software Company