十大免费CAD网站
1. FreeCAD: https://www.freecadweb.org/
2. DraftSight: https://www.3ds.com/products-services/draftsight-cad-software/free-download/
3. Onshape: https://www.onshape.com/
4. Fusion 360: https://www.autodesk.com/products/fusion-360/free-trial
5. Tinkercad: https://www.tinkercad.com/
6. QCAD: https://qcad.org/en/
7. LibreCAD: https://librecad.org/
8. BRL-CAD: https://brlcad.org/
9. OpenSCAD: https://www.openscad.org/
10. Sweet Home 3D: http://www.sweethome3d.com/
十大看免费行情的软件下载
1. Yahoo Finance: https://finance.yahoo.com/
2. Google Finance: https://www.google.com/finance
3. TD Ameritrade: https://www.tdameritrade.com/
4. E-Trade: https://us.etrade.com/home
5. MarketWatch: https://www.marketwatch.com/
6. Zacks Investment Research: https://www.zacks.com/
7. Morningstar: https://www.morningstar.com/
8. Bloomberg: https://www.bloomberg.com/
9. CNBC: https://www.cnbc.com/
10. StockTwits: https://stocktwits.com/
十大最免费软件排行榜
1. GIMP: https://www.gimp.org/
2. VLC Media Player: https://www.videolan.org/vlc/index.html
3. Audacity: https://www.audacityteam.org/
4. LibreOffice: https://www.libreoffice.org/
5. Blender: https://www.blender.org/
6. OpenShot: https://www.openshot.org/
7. Inkscape: https://inkscape.org/
8. ClamWin Antivirus: https://www.clamwin.com/
9. Thunderbird: https://www.mozilla.org/en-US/thunderbird/
10. KeePass: https://keepass.info/
十大免费CAD网站免费观看
1. CAD Training Online: https://www.cadtrainingonline.com/
2. Alison: https://alison.com/courses/electrical-engineering-software-tools-skills
3. MIT OpenCourseWare: https://ocw.mit.edu/courses/
4. Coursera: https://www.coursera.org/courses?query=cad
5. edX: https://www.edx.org/learn/cad
6. Udemy: https://www.udemy.com/topic/cad/
7. LinkedIn Learning: https://www.linkedin.com/learning/topics/cad
8. Skillshare: https://www.skillshare.com/browse/cad
9. Teachable: https://www.teachable.com/online-courses?query=cad
10. YouTube: https://www.youtube.com/results?search_query=cad+tutorials
以上是十大免费CAD网站、十大看免费行情的软件下载、十大最免费软件排行榜、十大免费CAD网站免费观看。无论是学习CAD，还是观看行情，或者是使用常用的免费软件，这些网站和软件都可以帮到您，所以不要犹豫，快去尝试吧！
