Software Alternatives, Accelerators & Startups

e2b VS Folderly

Compare e2b VS Folderly and see what are their differences

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e2b logo e2b

Open-Source AI Powered IDE That Does The Work For You

Folderly logo Folderly

Folderly is an all-in-one email deliverability platform to supercharge your email performance. Locate, solve, prevent email deliverability pitfalls, and ensure that your emails reach the Inbox folder.
  • e2b Landing page
    Landing page //
    2023-10-07
  • Folderly Landing page
    Landing page //
    2023-09-11

Folderly is more than just an email deliverability tool.

Deep email deliverability fixes, technical setup, access to an up-to-date deliverability score, user-friendly template management, team accounts, and, now, spam trigger detection with best practices to followโ€”all of these features assist you in reaching and maintaining 99.9% email deliverability.

Locate, solve, and prevent email deliverability pitfalls, and ensure your emails reach the Inbox folder. Never again let your emails be part of the 51% of all business emails that never reach the inbox. Make every email count, bringing in revenue and business opportunities.

How will you use Folderly?

  • Reach the recipients' Inbox. Folderlyโ€™s advanced algorithms analyze your outbound email campaigns and identify issues that cause your emails to be filtered out of recipients' inboxes.

  • Increase delivery, reply, and conversion rates. We will identify the most pressing issues by analyzing your entire email ecosystem and suggest the simplest ways to address them.

  • Skyrocket revenue from email outreach. By delivering 100% of your emails, you can significantly boost your sender score, generate more leads, and ultimately increase your email channel's ROI.

Folderly

$ Details
paid Free Trial $120.0 / Monthly (Folderly Premium)
Platforms
Google Workspace Office 365 Outlook Yahoo Zoho AWS Sendgrid SendinBlue Mailgun Sendpulse Intercom Klaviyo Sparkpost SMTP API Marketo Elastic Email Rackspace Technology

e2b features and specs

  • Ease of Use
    e2b provides a user-friendly interface that allows developers to create and manage development environments effortlessly.
  • Scalability
    The platform supports scalable solutions, making it suitable for projects of varying sizes and complexity.
  • Automation
    e2b supports automation features that help streamline development processes, saving time and reducing human error.
  • Integration
    Offers integration with a wide range of development tools and platforms, enhancing workflow efficiency.

Possible disadvantages of e2b

  • Learning Curve
    While user-friendly, new users may still experience a learning curve when first starting with the platform.
  • Cost
    Depending on the pricing structure, it may become costly for individuals or small teams with limited budgets.
  • Feature Limitations
    Some advanced features that users may expect could be limited or require additional setup.
  • Dependency on Internet
    As a cloud-based service, consistent internet connectivity is required, which might be a limitation in areas with unreliable internet access.

Folderly features and specs

  • Spam Fixing
  • Email Deliverability Testing
  • Email Placement Dashboard with Analytics
  • Technical Setup of Domain DNS and Authentication
  • Active Domain and IP Monitoringย 
  • Content Analysis and Recommendations
  • Email Templates Management
  • Spam Triggers
  • Best Practices
  • Dynamic Seed Rotation
  • Custom API Integration
  • Dedicated Customer Success Manager
  • Onboarding Support

Analysis of Folderly

Overall verdict

  • Overall, Folderly is a beneficial tool for businesses that rely heavily on email marketing and need to ensure their communications reach their audience's inbox. Its specialized focus on improving email deliverability and providing actionable insights makes it a valuable asset for enhancing email campaign performance.

Why this product is good

  • Folderly is often regarded as a good tool because it provides efficient email deliverability solutions. It helps businesses improve their email performance by reducing emails going to spam and enhancing inbox placement. This is achieved through features like email warm-up, domain and IP reputation management, and detailed deliverability analytics. Its user-friendly interface and comprehensive reporting tools make it accessible for businesses looking to maximize the efficiency of their email campaigns.

Recommended for

    Folderly is recommended for marketers, email campaign managers, and businesses that heavily depend on email as a primary communication tool, especially those who experience issues with emails being marked as spam. It is also suitable for businesses looking to optimize their outreach efforts and improve overall email deliverability rates.

e2b videos

Eberlestock E2B Sniper Sled Drag Bag by TANKstore

Folderly videos

Supercharge Your Email Deliverability With Folderly

More videos:

  • Review - From 15 to 98% Email Deliverability Rate for Slash | Folderly
  • Review - New Clients for BeforeHello after Working with Folderly
  • Review - Delivering Messages to the Inbox for the Kannaco Company | Folderly
  • Review - Getting stories delivered to the Inbox for PR & Communications company | Folderly

Category Popularity

0-100% (relative to e2b and Folderly)
Utilities
100 100%
0% 0
Email Marketing
0 0%
100% 100
Developer Tools
100 100%
0% 0
Email Deliverability
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare e2b and Folderly

e2b Reviews

We have no reviews of e2b yet.
Be the first one to post

Folderly Reviews

  1. Valeria R.
    ยท Communications Manager at SOLV. ยท
    Folderly guarantees that our emails are delivered to the inbox

    Our field of work requires extensive communication via email; therefore, we needed a solution that would monitor our email deliverability rate and help us eliminate any possible issues causing our emails to land in spam, if they arise. Folderly performs its job well and protects our email reputation. The team has helped us fine-tune our email infrastructure, and is overall very responsive - they always answer our questions in a timely and detailed manner.

  2. Kate Kos
    ยท Partner Relations Manager at SaveMyLeads ยท
    Folderly saves our emails from spam

    With Folderly, we have a clear picture of the situation with our mailboxes, understand what exactly caused our emails to go to spam, and see our campaigns' performance getting better. The team is always ready to give us a helping hand and explain what we need to do next.

    ๐Ÿ‘ Pros:    Deliverability insights, spam issues fix, easy-to-use interface, responsive team
  3. Stacy
    ยท Marketing Specialist ยท
    Folderly team always goes extra mile

    We thought our email campaign is doing good, but Folderly team boosted results to super cool! They are always there to help and give insightful advice. If you have troubles with spam and want to improve your email deliverability, Folderly would be your best choice ;-)

    ๐Ÿ‘ Pros:    Super simple in use|All in one

Top 14 Email Warm-Up Tools for B2B SaaS
Folderly: Full deliverability service offering warm-up, remediation, audits, configuration help, and a managed roadmap for recovery from spam placement.
23 Best Cold Email WarmUp Tools in 2022 (Free + Paid)
The company is one of Belkinsโ€™s spin-off, a B2B Lead Generation Agency with a solid track record, created in 2015.Folderly presents itself as an AI-powered platform for increasing your email deliverability.
Source: inguide.in
Top 10 of the Best Email Warm Up tools in 2022
To warm up your email with Folderly, you will need to connect your domain and email address. The tool will then ask you to create a warm up email template and to run a spam test to examine your inbox and identify its deliverability issues. The warm up campaign will finally begin and your email address will interact with Folderly inboxes and paid senders. Not only do they...
Source: mailmeteor.com
7 Best Cold Email Warm-up Software
Folderly is an AI-based Platform to increase your mail open rate, click rate, deliverability, reply rate. Folderly goal is to help marketers accelerate their sales by helping them send emails that drive revenue. Folderly is trusted by Berkely, Titan Growth, born & bred, pillbox, Greater Rochester.

Social recommendations and mentions

Based on our record, Folderly should be more popular than e2b. It has been mentiond 60 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

e2b mentions (38)

  • Gemma, the Epstein Files, and sandboxing cause a stir at the World's Fair
    With some fear that corporate data could be revealed by messy AI applications, sandboxing was high on the agenda, and Matt Brockman, an AI engineer at enterprise sandboxing business E2B, explained that there really wasnโ€™t much to be frightened of. - Source: dev.to / 24 days ago
  • Building an autonomous Slack agent with OpenCode
    E2B is the sandbox. It gives the agent its own computer to do work. - Source: dev.to / about 1 month ago
  • EU managed sandboxes for AI agents, in private beta
    If you've used E2B, Daytona, Modal sandboxes, or Cloudflare Sandboxes, the shape is familiar: REST API, Python and JS SDKs, exec / files / snapshot primitives. Here's what the Python SDK looks like:. - Source: dev.to / 2 months ago
  • Ask HN: Who is hiring? (May 2026)
    E2B | SF, Prague, Remote | Eng, GTM, and Operations | https://e2b.dev/ E2B is building infrastructure for AI agents, and has quickly become the open source standard for agentic workflow sandboxes. Customers include Perplexity, Groq, Manus, and more. We are experiencing explosive growth and hiring for several technical and non-technical functions as we prepare to 3x the team this year. - Distributed Systems Engineer. - Source: Hacker News / 3 months ago
  • Building a Systemic Autonomy Agent: OpenClaw + Gemma 4 & TurboQuant on Raspberry Pi 4B
    Sandbox: Since we are using Gemma 4 E2B, you should ideally provide an E2B.dev API key if you want the agent to execute code in a secure, cloud-hosted sandbox. If you want it 100% local, select Local Terminal. - Source: dev.to / 3 months ago
View more

Folderly mentions (60)

  • Breaking Into Legal Tech
    Make โ€ข Build and automate workflows InvoiceBerry โ€ข Online invoicing for small businesses Gusto โ€ข Payroll, benefits and HR management Hive โ€ข Manage tasks, workflows and teamโ€™s work Lanva โ€ข Social video editing app. ClickUp โ€ข Manage tasks, docs, chat, goals and more Plausible โ€ข Open-source privacy-friendly web analytics Podcast Hawk โ€ข Podcast guest booking software. Writesonic โ€ข AI-driven content... Source: over 3 years ago
  • Why do businesses always have such long voice mail greetings?
    BTW, the same thing I noticed with emails. I recently started to work with them, and differentiating emails and sending them to the right group of people brings a more positive outcome. We recently checked it on https://folderly.com/. So, I think those things can be linked to each other. Source: almost 4 years ago
  • Is there somewhere an email client for mac that is not gmail, implements labels and supports IMAP?
    Finally, I would suggest you also use https://folderly.com/ in addition to those two email clients. I would help you avoid making your emails spammy and maintain a high email deliverability score. Itโ€™s essential if youโ€™re using email for business purposes. Source: almost 4 years ago
  • What email client are you using?
    Besides, I recently noticed that Apple mail didnโ€™t send my emails. I thought my clients didnโ€™t receive my emails because they were in the spam folder. But, I checked my email deliverability on https://folderly.com/, and it was OK. So, Iโ€™ve been looking at what makes my clients not get my emails and discovered that this email client doesnโ€™t send them for some reason. Source: almost 4 years ago
  • How to promote a sale event via email that won't look spammy?
    But, after testing my email campaign on my friends, I was left puzzled why my letters went to spam. I've read somewhere that you can run all your emails before launching the marketing campaign on https://folderly.com/. I did it, and my score wasn't the best, nor too low. I thought the reason might be in the attached PDF file and links to my store. Do you think that it might be the case? If yes, what are the... Source: almost 4 years ago
View more

What are some alternatives?

When comparing e2b and Folderly, you can also consider the following products

Modal - Your end-to-end stack for cloud compute

Loops.so - We bought a billboard in Times Square and we're letting you advertise your startup on it!It's free.

Better Stack - Everything you need to ship higherโ€‘quality software faster.

Mailwarm - Email warmup tool to avoid spam folder, since 2020 - Backed by Email Deliverability Experts

Spacelift.io - Collaborative Infrastructure For Modern Software Teams

Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.