C/C++ Integrated Development Environments (IDE) Resources

I want to be upfront that this question's evidence is thinner than most I've dug into, both halves (startup speed and refactoring) are only lightly covered, and by different products.

• CLion (4.4★, 55 reviews): the refactoring praise I found is real, one founder told me it has "very good global search and refactoring," but the same review flagged that CLion "is sometimes too slow" and needs restarting to run well again. I want to be clear this quote is from 2024, the most recent CLion review I could find at all.
• Code::Blocks (4.3★, 97 reviews): reviewers consistently praise its lightness and code navigation across large projects, but I couldn't find anyone crediting its refactoring tools specifically with saving hours, so I'd treat that half of the claim as unconfirmed.
• PlatformIO (4.7★, 12 reviews): I found praise for smart code completion, but nothing on startup speed or refactoring specifically, and the newest review I could find is from 2023.

Given how thin this evidence is, I'd treat any of these as a starting point to test yourself rather than a settled answer. Has anyone found an IDE that genuinely nails both halves of this?

Hello G2 Community!

I was researching on C/C++ IDE and the findings are:

• Code Composer Studio (4.0★, 32 reviews): I'd point to this first, since it has the most embedded-engineering-specific evidence I could find. Embedded systems engineers described it as quick, lean, and streamlined day-to-day. I want to be upfront about the stability concerns other embedded engineers raised though: reports of the IDE hanging on large, complex codebases, difficulty tracing the root cause after a crash on embedded devices, and one very low-rated review citing frequent crashes during real-time debugging.
• Arduino IDE (4.5★, 145 reviews): I'd mention this too, though the fit is narrower than the question asks for. The only Automotive-industry reviewer I found, an owner/engineer running a vehicle-tracking project, gave it a simple positive nod without going into stability detail. Embedded-adjacent reviewers reported port errors and crashes during more complex program execution.

Here's the gap I want to be upfront about: I couldn't find a reviewer with a formal "automotive engineer" title for either product. The evidence I have leans embedded-systems and firmware broadly, not automotive specifically, so I'd treat stability here as a directional signal rather than a validated automotive-industry consensus.

Does your team weigh stability mainly around crash recovery, or around day-to-day compile reliability?

Here's my ranked take for teams that want everything (editor, compiler, debugger, version control) in one place without bolting on separate tools:

1. Visual Studio: I found a principal data architect telling me she can "pivot between Python for data processing and SQL for database management within the same IDE" seamlessly, and a site reliability engineer praising its out-of-the-box Docker, Kubernetes, and cloud deployment pipeline support. Is that cloud-native depth worth it if the same reviewer also told me the tooling feels "bloated and overly complex" once you're outside heavy .NET workflows?
2. AWS Cloud9: a lead solutions architect praised its "strong AWS integration, cloud native, serverless development," with no local installation needed. I'd flag the real limit though: a data scientist told me integration with non-AWS tools "isn't as seamless," so this fits best if you're already committed to AWS specifically.
3. Eclipse: multi-language support here is well documented across Java, SQL, and web languages, but I couldn't find a single reviewer mentioning cloud deployment integration in what I pulled. I'm flagging that gap rather than assuming it's there.

Is the cloud deployment piece a must-have for you, or is multi-language support in one editor the bigger priority?