Does anyone have recommendations for a good website to create graphs, charts, etc???

Hello fellow affiliates! I have , what is probably a simple question......but I figured this was an excellent time to reach out to the community for some advice and make more connections...... I graduated high school and finished college for IT, so I've definitely written my fair share of papers.... (NEWBIE MOMENT COMING UP ) The one thing I wanna know is where exactly do I get CONTENT?????? I feel like I already kind of know the answer to this, but hey, why stay stuck when I have friends here